วันเสาร์ที่ 28 เมษายน พ.ศ. 2555

Dye Sublimation Printers For Lasting Photo Keepsakes

If you want great prints from your digital photos, you have one option that beats the others hands down. Using a dye sublimation printer for producing lasting prints from your pictures is the clear choice thanks to the quality and durability of the process. Let's take a look at this method of printing to see the benefits it offers amateur and professional photographers alike.

Dye sublimation printing is not a new technology. For many years, this printing process has been used by professional print shops to produce high quality images. Not limited to photographs, this method has also been used for creating shirts, mugs and other keepsakes. These days, dye sub printers have become smaller and more commonplace making them a great option for home users to get print shop quality at home.

Dye Sub Printer

Unlike inkjet printing that most of us are familiar with, dye sub printing does not work by laying down droplets of ink. Instead, these devices use a special film that contains the four colors used in prints - black, yellow, magenta, and cyan. These inks are transferred in to images using a heat pass from the printer. The result is stunning. Images appear smooth and even without pixelazation or fading that plagues most ink jet processes.

For digital photo printing, the advantages of this method are clear. You can have better quality for the same price as an inkjet on a per print basis. Images produced by this technology are durable and every bit as clear as the ones you receive from professional print shops. Pictures can be borderless and using the recommended paper will result in photos that can last 100 years or more without fading.

Today's dye sublimation printers are priced competitively with their inkjet cousins. A portable photo printer that uses this technology can be purchased for under 0 and print costs can run as little as .20 each. Another advantage of these devices is that they are portable and generally do not need a computer in order to print. They are perfect for on the go, at sporting events, parties and other places when you want high quality prints from your photos right away.

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วันพฤหัสบดีที่ 26 เมษายน พ.ศ. 2555

The New Wave of Digital Fabric Printing Technology

Historical review in textile printing

Textile printing is a method by which fabrics are printed in various colors, arts and designs. It is a very old art developed and created on fabrics in Egypt during 5000 B.C. Fabrics also found printed in Greek during 4th century. B.C, also it is noted that printing blocks were sourced from India in 5th century. B.C. During that time, France acknowledged as popular center of this type of cloth production and printing. Japan was popular for adding stencil work in wood by making blocks and further by pasting dies and prints it in fabrics.

Dye Sub Printer

In the Mid-15th Century, with the invention of printing press by John Gutenberg there was a drastic change seen in printing technology and textile printing. After practicing by William Caxton in England, there was a remarkable widespread seen in relief printing technology in 1476. In sixteen and seventeen century with the export of spices, India became major provider of printing fabrics and products, like calico, pajama, gingham, dungaree, chintz and khaki according to the requirement of European countries. Then by the efforts by Grant, Thomas Bell and many printers, with the invention of wood block (1760), copper block (1770) and copper roller (1797) printing technology in the eighteenth century, especially the trend of cotton printing spread, still it can be seen at the Toile de Jouy Museum.

The history of fabric printing in Dartford goes away with Augustus Applegath's acceptance of a silk printing works in the town and it sustained until 1865 when James Keymer established a new fabric printing works on the banks of the River Darent. In 1907 Samuel Simon was used a fabric printing system in which the designs were shaped from stencils through screen printing machines. In 1940's first photographic stencil was built up by Colin Sharp. After development of computers, the printing process and its developments geared up in their colors.

Development in last two decades

With the improvement in the printing technology, color inkjet printers played an important role in digital fabrics for the consumer market in the late 1980s. That time Canon and Hewlett-Packard became leaders in the printing technology. Canon's Bubble Jet printers were received so acceptance in the market. Again latest technology geared up in their improvement with the existence of a large format color inkjet printer - the Iris printer in the 1990s, but that technology was not considered as ideal tool for the fabrics due to light sensitive color problem, rather it was accepted for paper printing.

Earlier, direct printing method used for fabric with the computer and the printing is made with the computer inks; it was the time where fabric was printed using only black images or text because of the availability of only laser printers and ribbon printers and there were no color printers. In 1999 Bubble Jet Set printing technology developed, which permits fabric to be treated, amalgamated to freezer paper with an iron and then operate through an ink jet printer.

The meaning of Digital fabric/Textile Printing

The digital fabrics printing technology is existed since last decade, it emerged after 1994. It is a skill that prints the designs on fabric, immediately from your computer, without extra efforts just like printing and designing a paper. Digital textile printing is a flexible tool and a key acceptable to the vision of mass customization. It permits the user to evade the screen making process, offering the chance for quick changes to color or design elements prior to printing.

Advantages of digital fabric printing over traditional printing technology

Generally, textile printing has been operated through transferring media, such as screens and rollers. Each transferring media is designed and allocated for a specific color. A block printing and engraved copper printing are operating through these methods. A number of woodblocks that are designed in block printing give a number of colors in design. Advantage of using this type of method is that you can have three dimensional effects due to its color separation and layers, and still today rotary screen printing method is used in designing of traditional floral patterns and toile designs. Mechanical or traditional fabric printing methods some times manipulate in both way, by design aesthetics and styles, while in the field of printed textile design with the latest digital fabric printing technology it enhanced the style and meaning of printed textile design. It is a fact that the new latest methods of digital printing on fabrics have exposed new horizons to the designers and manufacturers. Digital printing methods have facilitated manufactures to make a digital sampling and have advantages of change in designs before engraving. By adopting digital printing techniques you can re-adjust conventional printing design and can able to give new looks in design.

Today, many customers are demanding fabrics to be printed with various color combinations, styles, designs, traditional designs and looks, but to co-up with these customization demands there has been a limitation to attend the entire mass market with traditional printing technology. Digital printing profits over conventional printing it provide noteworthy benefits like quick turn-around, efficient set-up and speed, economical and great flexibility, takes less time, alteration possible etc. And in today's customer oriented market the printing technology is not limited to wearing wears; but it bounds to its limits and reaches to the requirements of trade show graphics, picture of huge fabric posters of television and movie stars, advertising purposes, flags and banners and many mores.

Unlike any traditional textile printing technology, the main benefit of digital fabric printing is in its process color application with its latest printers, software applications. Photographic and tonal graphics shaped millions of colors with Photoshop and can be printed on fabric according to the color combination requirement. Wider color scope and finer printing quality are available with the latest development of inks, color management software. In the traditional process colors of CMYK, you can have various color combination with addition of extra preset colors like orange, blue, green, and also there is availability of various type of software with these complex color combination. These preset colors reduce importance of screens or rollers for printing, and there is no need of repeat the size and other combination with no limit with color combinations in designs.

From digital textile printing technology you can have latest innovative and creative deigns like concepts of shadow, shimmering, vibration, reflection, moire, optical, translucent, netting, blurring, layering, superimposing, etc., instead of making special efforts with traditional methods of printing. Today, the printing technology developed so tremendously and became so eco-friendly, user-friendly that, even designers can make its products without taking help from textile designers.

Digital Printing Advantages

. Design achieved with greater flexibility, without the limitation of on repeat size, colors, engineered designs and gets outstanding depiction of continuous tone (photographic) images

. The digital printing equipment not requires much infrastructure and it is comparatively available in less cost

. Drastically trim down time to market the products

. It also decrease the use of water, dyes & solutions hence acts as an environmentally friendly tool

. It decreases industrial waste and print loss, provides centralize manufacturing facility

. Mass customization requirements easily available in short time

. Availability of fast greater speed of operation, high resolution / drop Size & configuration with spot colors combination or color control without lack of standards

Types of digital fabric printing technologies

There are various types of digital printing technology available in market like thermal DOD Ink jet
Piezoelectric DOD ink jet, airbrush/valve jet, electrostatic (sublimation & resin), thermal transfer, electro photography (Laser, LED), photographic development, continuous ink jet (CIJ) etc.

DOD Ink jet fabric printing method: DOD Ink jet printing method bring a drop of ink or dyes only when needed for printing that is why it is called drops on demand ( DOD ), i.e. it works on the principal "only when and where required in the design" . This system works as environment friendly, because of its "no paste, no waste "method, and the complete color reaches to the fabric.

Piezoelectric DOD ink jet fabric printing method: It uses electrostatic forces for arrangement and spraying of micro drops of inks or dyes in fabric printing. Here high voltages are applied to piezoelectric crystals for producing directional current. The advantage of using this methods are it formulation directional ink, where inks not heated , hence less expensive, printing heads works at its cycles per second and provides high resolution by applying small drop size of inks or dyes.

Electrostatic Sublimation Transfer Printing : Sublimation is a method whereby a solid dyes turns exactly into a gas without passing through a liquid state, can be transferred to a fabric (e.g. polyester) and re-solidify as a solid color again. Dye sublimation is a two-step process that needs additional equipment to the electrostatic printers for dye-sub. Also it requires a special paper for heating at the heat press; electrostatic printer. It is also called sublimation transfer printing. These inks or dyes can be printed onto paper from either a silkscreen process or from printers attached with ribbons with the sublimation inks. These papers then can transmit images onto fabrics.

Direct ink jet transfer method: The direct ink jet transfer method is direct transfer, or printing directly onto fabric with an inkjet printer. This process expensive and the fabrics require to be coated in order to effectively allow the inks or dyes.

Continuous ink jet fabric printing method: The ink is constantly pushed out of the ink channel by a pump by a nozzle attached with a PZT material and it generates an "ink-jet". Using an electrical power on the PZT material, the nozzle shakes, breaches the ink jet into droplets of ink and used for printing fabrics. Continuous ink jet fabric printing method also available with its binary hertz operation and multi-deflection system.

Software application in digital fabric printing: For digital fabric printing Color management Systems (CMS, Calibration), Raster Image Processor (RIP), printer driver software, design lay out software (CAD), etc are widely used.

Development in printing equipment

At present Ichinose ImageProofer, Stork Amethyst, Dupont Artistri2020, Mimaki TX2-1600, Encad, NovaJet 880, Zimmer Chromotex, ColorSpan, FabriJet, Aprion Magic, Leggett and Platt Virtuetc, Imaje-Osiris, Reggiani DReAM, Robustelli Mona Lisa, Leggett & Platt UV-dye, Mimaki TX2 & TX 3 etc latest printers or equipment with their developed brand name or version are widely using for getting effective results.

Latest digital inks: Today most fabric printers or manufacturers uses reactive & acids in various colors, dispersed inks, finishing inks for light, color, pigments etc. Ink specialist such as Ciba Specialty Chemicals, DuPont, Dystar ( BASF), CHT, Lyson, Brookline, ECS and Kimberly Clark have developed digital form of conventional dyes such as reactive, acid, disperse and pigment. These inks permit printers to make prints on their specific type of fabrics.

According to Ray Work of DuPont, the worldwide market for textile chemicals is at billion, of which around 36% is dyes and pigments. Finishing and coatings includes 38%. A foremost improved, according to Work, is that now almost every type of fabric can be digitally printed by ink jet, be grateful to progress in inks

For DuPont Artistri 2020 Printer DuPont Artistri 700 Series Ink is (acid dye ink chemistry) used for Nylon, Nylon/Lycra, Silk, Wool. For Polyester, Nylon, Nylon/Lycra processing disperse dye ink is used, for Cotton, Polyester, Cotton/Poly Blends, Viscose/Rayon Linen, Nylon*, Nylon/Lycra, Silk, Wool pigmented ink chemistry available. DuPont Solar Brite Ink is used especially for active wear, swimwear, intimate apparel, flags and accessories.

Digital textile printing technology in present market

For digital textile printing technology, there are three types of demands exists in market, which are sampling, strike-off, and mass customization.

Sampling: The sampling demand involves printing on paper and fabrics with an intimate concentration and compliance to the usual screen printing which is used for manufacturing.
Strike-off: Strike-off is a product of sample for a single, salable item for markets such as luxury, entertainment, or special events.

Mass customization: Mass customization is the third main products area and it creates an immense deal of concentration by mass customers.

The future markets: Besides the above existed segment, the digital fabric printing technology will be booming with their batch production printing and low volume demand fabric printing.
Its industry size is calculated: 300,000 Retailer "Doors" and 20,000+ Manufacturer "Doors",

400 Companies Manufacture 80% of all apparel,

Apparel & Related Volume is 0B,

All Others' Goods represent B.

Textile Printing Trends

The world wide trends: Decline in US print production, there seems growth of Asian print production and decreasing production run lengths, demand for greater design variety, demand for shorter production cycles and demand for reduced inventory risk.

Cotton is the most frequently printed material (48% of printing production), followed by cotton/polyester blends (19%), polyester (15%), and viscose (13%). From a worldwide viewpoint, other material (e.g. polyamide, polyacrylic, wool and silk) involve with a little part.

Prospecting Market

There are a range of new textile industry products you can print with digital printing, which covers wall covering, Info-banners, car covers, artworks, and flags and including museums, galleries, and exhibitors for multi disciplinary products, used in printing of education system or related products and there are many prospects for both direct and transfer digital printing e.g. for printing mouse pads ( new fabric surfaces and base materials), apparel prototyping for spot color, linking prototyping to production, and digitally-generated screens etc.

Digital textile production has been increasing at about 13% worldwide. The worldwide volume of digitally-printed textiles has been reaching about 44 million square meters by 2005. Duo to the high quality performance, in short time the availability of products, multidiscipline design, eco-friendly , cost- effective , etc advantages in digital textile printing technology, there exits a new market opportunities for this technology and it will be applicable to, backgrounds printing, scenes for theaters, film studios, photographers, music and sports events, road shows, parades, high profile catering, presidential campaigns, promotion organizers, advertising agencies, universities, churches, parties, for hanging signs, displays systems, packing, for sampling, for prototyping and new designs sampling, short run production, for interior designers to make curtains, upholstery, table cloth, bed ware etc.

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วันอังคารที่ 24 เมษายน พ.ศ. 2555

Sony DPP-FP75 Picture Station - A Dazzling Small Photo Printer

We are in an age where everybody wants to acquire services and products at the fastest possible time. No longer is the world confined by distance and boundaries; people now look for the fastest possible avenues when it comes to the things that they need. And this is the reason why a lot of gadgets these days have been made more mobile and a lot easier to operate. A few years back, no one would have expected touch screens to become a norm amongst cell phones and other devices. Those kinds of things were only possible in movies and nothing more. And look at what we have now! Touch screen has been so common that it is now at a point where everyone can avail of it easily.

Moving away from touch screens, let us now look at one of the biggest innovations in photo printing that we have experienced up to date. When it comes to photo printing, a lot has changed since the old days of photo shops. The invention of photo printers have alleviated the need to regularly go to shops just to get photographs printed out. At a large extent, dye sub printers have drastically changed the way we do our photography! A lot of photo printers these days have come up with their own distinctions of quality. But among them, the Sony DPP-FP75 small photo printer has been one of the most notable.

Dye Sub Printer

Coming from a brand like Sony, you can expect the Sony DPP-FP75 digital photo printer to be one of the best in the market. The quality of each photograph produced is top-notch. It uses a dye-sublimation technique which can produce lab-quality 4 x 6 inch postcard-size prints. Another great thing about the Sony DPP-FP75 small photo printer is that it can automatically correct red eyes and give you a number of options where you can edit your photographs through your preferred fit. And as protection for your printed photos, this device applies a SuperCoat 2 laminate, making the image secure from any elements such as liquids and heat.

The thing with other digital photo printers is that a lot of them do not have the right options for printing or in any case, do not possess easy to use controls for photo editing and layouting. With the Sony DPP-FP75 small photo printer, you can do just that with no problems. This device allows you to do your printing through the easiest way possible. All you have to do is to connect your file storage device, view the pictures through the 3.5 inch LCD screen and then print. It's that easy! When it comes to the buttons, they are big enough for anyone to push and with the print button clearly a visible function.

When it comes to photo printing, the Sony DPP-FP75 digital photo printer might just be one of the best gadgets that does not need an external electronic device to function. Truly, photo printing has come a long way since its photo shop days. Let this Sony device be the start of your photo printing frenzy!

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วันอาทิตย์ที่ 22 เมษายน พ.ศ. 2555

Modern Day Event Photography - What's Involved?

Event photography as a profession has been around for decades. But the advent of digital photography has turned the process on its head. Instead of taking the pictures and then running off to a photolab to get them processed and printed it's now possible to capture the image, view it digitally and then print, mount and sell it to the customer in less than five minutes. Modern digital processes and the latest Dye-Sublimation printers have helped to create a fast and efficient workflow that can create output lab quality prints on a fast basis.

So, what events can be covered? Event photography, as its name implies, covers any special events either indoors or outdoors. School proms, black-tie dinners, dog shows, horse trials, moto-sport. The definition of modern day event photography is anything where an event is photographed and prints produced and sold to the clients at the event.

Dye Sub Printer

A modern event photography setup needs to be based around speed and quality. A sizeable investment in equipment is required, digital capture, viewing and lab quality printing facilities are required. A digital SLR (single Lens reflex) camera is required to capture the image, any modern day SLR can be used but it should be at least 8 megapixels to ensure that the image can be enlarged to a decent size for printing. Once the image is captured then it should be transferred to a central server where the image is made available for the client to view. The transfer can be done by physically moving the storage card around. If possible the camera can be tethered directly to the server or a wireless link between the two could be established for the transfer.

Once the image is on the server then the customer is able to view the images, either with the aid of a salesperson or on stand alone viewing terminals where the customer can browse the images and select the ones required.

If the customer then wants to purchase an image then it can be output directly to a Dye-Sublimation printer, mounted in a card mount or frame and packaged for sale. Dye-sublimation printers (Dye-sub for short) produce excellent quality prints that are immediately dry and can be handled straight away and usually have a water-resistant coating to increase durability.

The specific event will then direct what other equipment is required. An indoor event such as a school prom will required some form of studio setup to take the images against such as a photographic backdrop and a portable studio lighting setup. Outdoor events such as horse trials will require somewhere to view sell the images from such as a van or trailer or marquee. All that equipment will need to be powered as well, usually by a generator.

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วันศุกร์ที่ 20 เมษายน พ.ศ. 2555

Dye Sublimation Printing - Ideal For Small Runs

There are many ways to personalise products with logos or photographs etc, but dye sublimation is the most economical solution for one offs or small runs as there are no special set-ups involved, and the equipment needed is minimal. A computer, printer with sublimation inks and a heat press.

Where dye sublimation wins the day is when customers only want a small number or even just one item. Other processes just cannot produce the item economically. Typically minimum orders using other systems are for fifty or more. With dye sublimation, you can produce just one!

Dye Sub Printer

You do not need a lot of space to produce dye-sublimated products and many people run a dye sublimation business from home.

Products that are popular include t-shirts (especially good for hen nights etc), mugs, mouse mats, and coasters. The range of items is increasing all the time.

I even take some products designed as one thing, and use them for another purpose, such as using hardboard place mats with a clock movement to produce wall clocks.

It can be quite daunting setting up the equipment for the first time. Most people have problems with getting the colours looking correct on the products. The printer used has to be set correctly to reproduce colours correctly and this can be very hit and miss if you do not understand the process. Other settings that make a huge difference to the end result are pressure, temperature and time.

If you take the time to look around the web, there are a few website resources (including several forums) that tell you about dye sublimation and what equipment you need, what products you can do etc and there is also a tutorial DVD available online, guiding you though the process of producing dye sublimated products.

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วันศุกร์ที่ 13 เมษายน พ.ศ. 2555

Printers - A Practical Buyers Guide

Buying a printer can be a complicated business, there are more shapes, sizes and types of printers available to the home and small business user than ever before. printers have also become specialised for their intended purpose.

It is no longer a case of "a printer is a printer". Printers are now designed to be good in a particular area rather than a "Jack-of-all trades", which will do everything.

Dye Sub Printer

An often overlooked issue, is the very serious consideration of cost of ownership, which is all about of how much it will cost to keep your printer running (see below). So making that decision on which printer to go for can be a seriously arduous task, especially if you are keen to buy a printer that is not only affordable to buy but also cheap to run.

So here is the information that you need to know and consider, but no one tells you! We have not expanded on which printer is the best at any given time because models constantly change and you can find that information in any current glossy PC magazine off the shelf. Instead, here you will find the good, bad and ugly bits from the different types of printers available so you can make an informed decision yourself.

Inkjet Technology

Inkjet printers form images by spraying tiny droplets of liquid ink onto paper. The size and precision of the dots of ink and the type and quality of the ink itself govern how good the print quality is. A quality inkjet printer can produce very near photo-quality images using specialist photo coated paper. In general there are two types of inkjet printers, those with the printhead built into the printer like Epson, Brother etc and those where the printhead is actually on the ink cartridge like HP and Lexmark. There are many arguments for and against both technologies, but in our experience we have found both to be very good, the major difference seems to be that the cost of running a printer using the "printhead" type ink cartridge is usually higher.

Inkjet ink is specially formulated for specific printer models and their purpose, much technology is involved in the development of these inks to improve print quality, longevity, drying speeds and printing speeds etc. Most inkjet ink is produced using dye based ink which can flow easily through the tiny nozzles of the printhead, this type of ink is good for photos and colour shades but not so good for longevity or solid vibrant colour, think of it like a water colour painting. In recent years pigment ink technology has advanced considerably to enable use in inkjet printing. Previously ink pigments were too large and would block up the nozzles. This type of ink is good for solid colours and longevity, think of it like an oil painting.

Manufacturers like Epson, HP and Jet Tec are now increasingly using a fusion of dye based and pigmented inks to create superb quality photo printing with vibrant colours and longevity too.

Inkjet printers use anything between two and eight ink cartridges to do their job. Generally speaking the entry-level machines use two cartridges, good all round machines use four and specialist photo printers use six or more. The two cartridge system works fine though can be a bit wasteful on the colour ink, so go for a four-cartridge system where possible especially if you do colour printing. The six or more cartridge systems produce outstanding photos, but can be costly and a pain to keep changing cartridges (printer does not work if any one cartridge is empty).

Inkjet printers are the best solution for most people and are usually the most cost effective way to print - unless you are printing large volumes.

Portable Inkjet Printers
These printers are small, lightweight and ideal for people on the move. Although the printing of high quality photographs is usually beyond this type of printer, basic colour printing is of good quality and the quality of text print is mostly outstanding considering the size of these tiny portable A4 printers. These printers are not suitable for high volume printing.

Inkjet Printers

The Inkjet Printer is the most commonly used type of printer among home and small business users. With excellent all round printing capabilities, from black & white text print and good colour prints through to very hi-resolution, high quality photographs using Inkjet Photo Printers. Inkjet printers are available from cheap entry level to high-end business use machines and can print from photo size prints to massive A2 and bigger sizes, there are models for occasional use and others for high volume print jobs too. One of the many great things about Inkjet printers is that you can use a wide variety of media to print on, including standard paper, photo paper, card, t-shirt transfers, canvas, projector film etc, achieving different looks and textures for your prints and print for different purposes. Most Inkjet printers are USB connections and not suitable for networks, although models are also available for networks and with parallel connections.

Multi-Function Inkjet Printers

Multi-Function Inkjet Printers have been built to meet the needs of home offices and small businesses. These excellent value machines provide multiple solutions in one compact and easy to use machine i.e. printing, scanning, copying and some also have built in fax machines too. Not only are these machines great for saving space on your desk, but they are also very good for printing too using the same technology as standard inkjet printers. The only thing you should be aware of is that you can only use one function at a time and if anything goes wrong with an "All-in-one" machine, you may lose the all the functions at once!

Laser Printers

Laser printers work in a similar way to photocopiers, except they use a laser instead of a bright light to scan with. They work by creating an electrostatic image of the page onto a charged photoreceptor, which in turn attracts toner in the shape of an electrostatic charge. Toner is the material used to make the image (as ink is in an inkjet printer) and is a very fine powder, so laser printers use toner cartridges instead of ink cartridges.

Laser Printers have traditionally been the best printing solution for heavy office users as they produce a very high quality black text finish and offer relatively low running costs. However, laser printers have advanced a great deal recently and their prices have steadily dropped, as a result there are now compact laser printers, multi-function and colour laser printers all at very affordable prices. Laser printers make sense if you need to do a lot of high quality black or colour prints, not photos. The great thing about a colour laser printer is that they can print a very good quality colour image on standard copier paper, so you do not need to use expensive photo paper for large jobs. Do check the prices of the consumables before you buy the printer as these can be very expensive for colour laser printers.

Laser printers are the best solution for people who are printing in large volumes, that is, in 100's of pages at a time or 1000's of pages per month. Colour lasers also take quite a while to warm up, so are not ideal for printing single pages.

Solid Ink Printers

Solid ink printers use solid wax ink sticks in a "phase-change" process, they work by liquefying wax ink sticks into reservoirs and then squirting the ink onto a transfer drum from where it is cold-fused onto the paper in a single pass. Solid ink printers are marketed almost exclusively by Tektronix / Xerox and are aimed at larger businesses and high volume colour printing.

Solid ink printers used to be cheaper to purchase than similarly specified colour lasers and fairly economical to run owing to a low component usage, today it is not necessarily any cheaper than a colour laser printer. Output quality is good but generally not as good as the best colour lasers for text and graphics or the best inkjets for photographs. Print speeds are not as fast as most colour lasers.

Dye-Sublimation Printers

Dye-Sublimation printers use heat and solid colour dyes to produce lab-quality photographic images. Dye-Sub printers contain a roll of transparent film made up of page-sized panels of colour, with cyan, magenta, yellow, and black dye embedded in the film. Print head heating elements vaporize the inks, which adhere to a specially coated paper, as the ink cools it re-solidifies on the paper. Colour intensity is controlled by precise variations in temperature.

Dye-sublimation printers lay down color in continuous tones one color at a time instead of dots of ink like an inkjet, because the colour is absorbed into the paper rather than sitting on the surface, the output is more photo-realistic, more durable and less vulnerable to fading than other ink technologies.

The downside of Dye-Sub printers is that they are generally more expensive to buy and run, usually limited to photo sized prints only and can only print onto one type of specialised paper as well as being quite slow to print.

Dye-Sublimation printers are best for those who want to link up their digital camera to a purpose built printer and print out the finest quality photos at home without fuss.

Dot Matrix Printers

Dot matrix printers are relatively old fashioned technology today with poor quality print, slow and very noisy output. This type of printer is no longer used unless you wish to create invoices using the continuous paper with holes on both sides. The good thing is that they are very cheap to run!

Cost of Ownership

Many printers today are very cheap to buy, but people are sometimes shocked to discover the cost of replacing the consumables (ink or laser cartridges, imaging drums, fuser, oils, specialist papers etc). The cost of replacing the ink can sometimes cost more than the printer itself! This is one of the most commonly overlooked factors when printers are reviewed and yet one of the most important things to consider before handing over your hard earned cash. Tests run in 2003 by Which? magazine famously compared the cost of HP's ink with vintage 1985 Dom Perignon.

A Sheffield City Council report aimed at helping schools decide on the best-value printers to buy, calculated total cost of ownership over the lifetime of a printer (not sure how long that is!). Adding up all the running costs, ink or toner, paper, maintenance and even electricity, SCC worked out that a colour inkjet costs approx 38p per page to run compared to a colour laser which costs approx 7p per page. Sheffield City Council advised its schools that if they printed more than three colour pages a day (assuming a 40-week academic year) they should buy a laser.

These figures cannot be taken hard and fast due to the many variables involved, but it is generally accepted that the cost per print of a laser printer is cheaper than that of an inkjet, which is in turn cheaper than that of a sub-dye printer. However, you would have to do a fair amount of colour printing to take advantage of the economy offered by a laser printer.

Summary

When buying a printer, firstly carefully consider its use, is it mostly general printing or for photographs, is it for occasional use or high volumes, will it be a stand alone device or connected to a network? Then using the guideline information above you will be able to decide on which type of printer is most suitable for you at the time.

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วันพุธที่ 11 เมษายน พ.ศ. 2555

Event Photography - If You Enjoy Parties and Photography, Here's a Free Guide to Earning From It!

If you are considering becoming an Event Photographer this guide may be useful. I spent a long time researching all the kit needed to be a successful Event photographer, testing and costing carefully. It's all current gear available now so it's up to date unlike some of the guides I read.

I've been on training courses and I've done quite a few different Events now, so this is to help others avoid some of the common mistakes. This guide to Event photography is based on my personal experience and you are welcome to reproduce it as long as you credit this article with the website address

Dye Sub Printer

I do recommend anyone interested in Event photography going on the excellent training course supplied by Systems Insight, speak to Mike Orr, Stuart or Darren at systems insight. I've also found the Event Photographers Society really useful.

It is divided into sections as follows:

1, Camera Equipment needed for Event Photographers;
2. Lighting equipment for Event Photography;
3. printers for Instant Event Photos;
4. Mitsubishi Click system for Event Photography;
5. Green Screen Event Photography;
6. Starting an Event Photography Business.

1. Camera Equipment for Event Photographers.

You don't NEED the latest high-end professional DSLR with pro glass lenses to shoot an event! It's nice to have good kit but that should be a given for any Pro Photographer. In reality the customer at a football tournament, school prom or black tie event doesn't care what kit you have as long as the results are good, and you don't want to be carrying a heavy camera with fragile glass in an environment that is often boisterous and busy!

You don't need to shoot huge resolution RAW files and won't have time to post process or mess about with hundreds of settings.You are aiming to get a sharp, vibrant and well lit photograph of enough resolution to print at your final output size. Concentrate on making the people look great!

I do recommend a wireless work flow which I cover later, and again you need the files to be small enough to send quickly. I use a Nikon D700 but that's only because I have one for Property photography as I need the full frame and low light capabilities.

I shoot jpg at just medium resolution for most events, and use a Sigma 24-70mm HSM lens so I can quickly zoom between individuals and groups. A Nikon D40 with a kit lens will do just as well. and I always carry one as a backup. It also takes my Nikon flashguns and is much lighter than a D700.

It is important to have a backup camera, I've even made do with a Nikon Coolpix P6000 when my D700 was being used pitch side at a Cricket Event. With proper lighting (see lighting section) I got almost identical results shooting people in front of a green screen. You must have at least one fully charged spare battery for each camera at an event, a couple of spare and preformatted memory cards, and spare batteries for your flashguns. I use the new Duracell rechargeables for the flashguns as they stay

So don't go mad on the camera kit, it will get bashed around at an event! As for settings, indoors I shoot at around f7.1 to f8 for groups so I get good depth of field, I use shutter speeds of around 125 to get sharp shots as I don't like a tripod, too restrictive, and I use ISO 400 to get enough sensitivity. White balance is easy on a Nikon, see lighting but the flash setting will do. For individuals and couples I open up to around f5 and shoot full length, head and shoulders and a close-up. Outdoors events are more dependent on the available light and the lens.

One tip, using a wireless transmitter to send the images straight to your PC, Mac or Click system avoids the pitfall of people (the ladies mainly) wanting to see each shot on the back of the camera as you take it! That gets them through quicker and lets your team at the workstation show the images properly at full size. I do actually keep the images stored in the camera as a backup though in case the wireless system stops working.

Another tip, if you are shooting groups at a School Prom or Corporate event, take a stepladder! If you get above them and shoot down it changes the angles and stops the people at the front looking much larger than those at the back! This lets you squeeze bigger groups in as well, especially useful if you are shooting in front of a green screen at an event.

Also, if you ever get a large group of girls at a School Prom or Sweet Sixteen event, take LOTS of shots! It is very hard to get a single photo where every girl is happy with how she looks, guys really are not as fussy. The girls will buy the photo that they look best in.

We tend to charge the standard rate £10 per shoot including a 6x9 mounted photograph, but do offer incentives for groups such as discounting copies of the same photograph, or offering 3 for the price of 2 if they are different shots that need processing.

2. Lighting Equipment for Event Photography

I don't use studio lighting for indoor events! Initially I used the standard large softbox above the camera and shot in front of a grey, back or white backdrop. But that's boring and old hat nowadays, the lighting is very flat and there is always the risk of people tripping over cables and the hassle of finding a nearby power socket.

At School proms, Bar-Mitzvahs and especially Sweet Sixteen parties it gets very busy and although we carry full insurance I don't want a heavy studio light falling on a guest. It's the same at Corporate events and Black Tie dinners, there's usually a huge rush after dinner for photos and even a taped down light can get pulled over by an inebriated partygoer!

So now I use a Nikon SB-900 on the camera with the wide-angle flap down and the soft diffuser fitted. This controls two other Nikon SB-600's also with the wide-angle flaps down using Nikon's excellent CLS lighting system. The two SB-600's are mounted on sturdy but portable stands and shoot through white umbrellas for lovely soft lighting.

At an Event you don't want to be messing around changing lighting when you have queues, but this setup is flexible and light enough to be safe to move quickly if you need to. The Nikon system lets me control the brightness of each flash directly from the camera without having to touch the lights.

As we use Green Screen backdrops at most events to add effects and digital backgrounds, I have to ensure the backdrop is evenly lit to avoid problems when chromakeying out the green. By mounting the umbrellas high up at either side and shooting through them, the green (or blue) backdrop gets evenly lit where it matters. The guests get a nice flattering lighting setup which I can easily adjust for large groups or closeups. I

I shoot on full manual with the on camera flash at about 1/32 power to give a little fill light, but mainly to trigger the two mounted lights. These are usually on about 1/8th power which is plenty! Recyling is very fast and I've never had to change batteries yet at an event, although I have charged spares on hand.

If I get a large group like a football or cricket team at a sporting event I can quickly move the two sidelights back and up the power.If it quietens down and we get a guest who wants some special shots, the lights can be moved so one acts as a keylight and one as a fill for classic Rembrandt lighting. We have professional makeover software running on the workstations so can enhance pictures quickly if someone wants portfolio shots.

The SB-900 on the camera can also be removed and used as a slave for hair lighting or other effects, triggered by the on canera flash. So we can do a three light setup easily! White balance is crucial, on Nikon cameras just stand where the subjects will be, set the white balance to "pre" then hold down the wb button for three seconds. When the display flashes, point the camera back between the lights and shoot. If it says "good" in the display, you are set to go. If not, try shooting again straight at one of the sb600, it will work!

The real beauty of this system is that it all fits in one calumet rolling case and is easily portable! It is very flexible for other types of photography. These flashguns are just as powerful as studio lights, and we even carry Fong diffusers and softboxes just in case we get a chance to do some glamour photography. (and yes, you can book us for private shoots!)

3. printers for Instant Event Photos.

I used to to run a large independent company selling calibrated colour printers, scanners and displays into the corporate design market and previously worked with Canon, Xerox, Mitsubishi and Tektronix as a colour consultant. So choosing the best Event printers was an interesting exercise!

Inkjets and colour lasers were instantly dismissed as I needed portability, reliability and photographic quality. Plus I needed to know exactly what each print would cost. An inkjet will produce the quality with a bit of tweaking but will never match the quality, speed or durability of a dedicated dye-sublimation printer.

I don't believe in compatible inks as I've seen first hand the amount of R&D that goes into a manufacturers own ink. So ink-jet prints are going to be too expensive for event printing. Lasers are fast but lacking in colour quality, and extremely tricky to transport. After testing all the current offerings I decided on the Mitsubishi 9550 DW linked to the Mitsubishi Click system as our basic workhorse for producing large 9 x 6 inch photographs.

As I use a full frame camera this is exactly the size the camera shoots at, so no cropping needed! The photographs are fast and very accurate thanks to the dedicated colour profiling we use supplied by Systems Insight and fine-tuned by me!

The dye-sub process basically involves heating the ink on a ribbon until it turns into a gas and sublimates into the special paper. This is a true continuous tone process so the colour gamut is much wider than other processes, giving smooth and accurate skin tones with no dot patterns.

You can actually roll a photograph up and stand it in a pint of coke, leave it for hours and then wipe dry without any signs of running or fading, as demonstrated on the training course by Stuart! These photographs really won't fade and are fingerprint proof thanks to the special coating. They will last longer than any other photograph!

The fixed cost per photograph allows us to offer discounted pricing for pre-paid events like weddings or school proms as we know exactly what our costs will be per photo regardless of how much of each colour is used.

But we also offer a unique digital make-over service for events using a very special PC with professional retouching software so needed a printer we could connect directly. And we wanted to be able to offer instant 12" x 10" photos and other large sizes for Sporting Events like football and cricket events where team shots are popular.

So we decided on the larger format Mitsubishi as well as we have now found out it also works on the Click! Consumables for the Mitsubishi Event printers are readily available and therefore discounted prices help bring the costs down. Some of the more obscure brands like Shinko and Olmec are often tricky to source.

We are happy with the speed, quality and reliability of our printers, but more importantly, our customers love the results.

4. Mitsubishi Click System for Event Photographers.

My background is in colour technology as mentioned, but prior to that I was a DEC system manager, I have a HND in Computer Science and am a qualified programmer. Yes, I'm old enough to have done all that and spent 7 years in the Army controlling Artlillery fire by computers and by slide rules and log books when those systems were taken out.

So I'm probably more of a technical geek than most photographers. So why did I choose a dedicated turnkey solution for producing event photographs rather than use my expertise in PC and Mac solutions?

Laziness really, why re-invent the wheel! I quickly realised that to make any money at all in Event Photography you have to produce very good photographs to a very high standard very quickly! Work flow is very important. Initially I was either going to use a big 27" Mac with a studio display for quality to handle all the incoming pictures, or go down the Windows 7 route with a couple of fast Sony Vaio AW notebooks with their gorgeous Adobe RGB 18" monitors, with either system linked to a dye-sub or two.

But once I started looking at the workflow and software required I realised the Mitsubishi Click would cover all the bases. Yes, I could run either system quickly and use dedicated green screen software and professional retouching software to produce stunning results. But then who would take the photos? I needed a system that was streamlined and simple to use so I could train others to use it.

My first event was a corporate Xmas dinner and the only person available to do the green screen effects, printing, mounting and sales was my wife! The Click system is very straightforward, you set up a new event and pictures are sent wirelessly from the photographer. Selecting them by just touching the screen allows for full screen previews, once the customers have decided which photographs they want it is quite easy to drop in a green screen background and print, all by touch!

Camera cards and CD's can be easily read or burnt, multiple printers are supported and the whole system runs smoothly and look very professional. We've even had customers connect their own cameras or mobile phones by bluetooth and print their own photos! My wife managed well on our first event, and we had over thirty satisfied customers that evening, in a very short period of about 2 hours from when the meal ended to going home.

Many purchased multiple photos, with different backdrops and effects, but she handled it all while I took the shots. Now we have more trained assistants as it did wear her out a bit:) But I still wanted the flexibility and power to use more specialised green screen software to drop in overlays and fine tune some of the more tricky effects.

So with a bit of help from the techies at System Insight I worked out how to access the system directly, and underneath the smooth software front end is a powerful windows PC. So now if we get a really special request (like "put me in the Oval Office with President Obama") I can jump in and alt tab to Photokey or Portrait pro running in the background! And yes, you can print directy to the dedicated 9550DW by dropping jobs straight into the queue, email for details:)

You can also boost the processor speed, add more RAM, put in a HDMI graphics card to support external displays, even change out the motherboard if you are brave enough and don't mind voiding your warranty!

I'd recommend this system to anyone starting out, and would also recommend you buy it from Stuart or Darren at Systems Insight as they know the system well!

5. Green Screen Event Photography

To be successful in Event Photography as in any business you need a key differentiator, something to make you unique. We all provide basically the same service, photographing people having a good time and offering prints or downloads. Some specialise in niche markets like weddings or school photographs, or certain types of events like Equestrian or Motorcycling. I chose Green Screen Event Photography for a variety of reasons.

I like the portability of our lighting system and didn't want to spoil that by having to carry around various huge coloured backdrops for different occasions. I find it boring having dozens of people shot the same way, and I'm sure most people who go to events are getting fed up of the same bluey grey backdrop, or the "ultra modern" white or black high or low key shoot.

I want to have fun at an event and want the guests to experience something new. So we shoot everyone in front of a blue or more usually a green screen and then our special software can replace that colour with any of our 2500 digital backgrounds! This gives us the flexibility to add classy studio backdrops to Black Tie and Corporate Events, and lets us choose appropriate colours to enhance what the guests are wearing.

For School proms and Sweet Sixteens we can get the guests flying through space, on stage with their favourite rock bands or in the latest movies. Bar and Bat-Mitzvahs are great fun as we can transport the guests anywhere in the world, and for all events we offer free personalised overlays and designs so the event is memorable and unique.

The secret to Chromakey Event Photography is keeping the workflow fast! If you offer a guest 2500 choices, expect a huge queue or a lot of disapointed people. We tend to design 10 choices for each event and will print an example of each so they can decide before we shoot. That way if they are going to be posing alongside a Twilight Vampire or on the dance floor with John Travolta, they can strike an appropriate pose! It does slow things down having to add backdrops but we prefer the interaction and the guests enjoy the experience.

It's not all about getting them shot and printed to us, some event companies work like a slaughterhouse concentrating on quantity rather than quality, that's what the auto cameras at theme parks are for, we would rather spend a little time earning our money!

We prefer green screens to blue screens as less people wear the actual shade of green we use. Blue clothing, eyes and jewellery are more common and can cause probems unless you know how to mask out those areas. We use very special green screen material now, direct from the film studios. This is a special white backed material that absorbs light and glows evenly. Ordinary green muslin will reflect light and cause problems especially with very blonde hair. Contact me for details, it's twice the price but worth it!

Don't worry about evenly lighting the backdrop as many claim, that will just cause more spill and you need more lights power and cabling! You can't get your guests the recommended 10-12 feet away at an event, which you need to if you light the backdrop! Imagine if you were shooting a group and they all had to be 12 feet in front of the cloth!, how big would it need to be! Using pro software lets you quickly adjust for spill and reflected green light.

The trick is to light the people not the backdrop, that should only appear in the gaps anyway and if you have a light enough green it will work. Less is more, light from the sides and above so any shadows are still green and they will disappear.We use overlays and backgrounds to get realistic Magazine covers and special effects.

People don't notice that usually the models on magazines go in front of the title heading but behind the informative text! And watch out for copyrights, design your own magazine covers that are similar but not identical, you can buy these from the USA as overlays..PNG files are best but won't work on the Click, you need to do what we do and switch.

The President Obama shot is a good example, He is in the background, the guests are dropped in on top, then the desk is added as an overlay in front.

6. Starting an Event Photography Business.

Don't believe some of the salesmen out there who claim it's a licence to print money! That is their job and they do it well, but like any business you need to really work at it. Most pro photographers woudn't dream of doing a photoshoot AND supplying a framed large photograph for a tenner! And don't think just because you get a booking at a black tie event for example with 100 people that you are going to sell 100 photos!

30% of those people won't even want a photo taken! That's just the way it is. There won't be many single people wanting a photo on their own, and there's always a large group who want just one shot of all of them, but will buy additional copies at a discounted rate. That leaves the couples, so that brings you down to around five singles, a large group and twenty couples.

You will earn about £300 at an event of this size. Ok, that's a small event but just about possible for two people to cover so that's only one assistant to pay. Then there is the cost of the prints, mounts and bags, travelling costs, insurance costs not to mention an hour to setup and an hour to pack down plus sometimes many hours of waiting for a dinner speech to end.

Don't forget the website you need, the adverts to get bookings, the expense of all the gear, marketing your website, the admin and post production work to get the images online. The usual business costs of stationery, phone bills, promotional gear and all the insurance.

Also remember there are a lot of excellent photographers out there, and anyone can buy a good camera, lens, and a fast printer and go out and do this. The big companies will already have the big events sewn up, So you need to use your contacts, ask around, advertise and promote. Offer to do some small events free for the practice, but still charge the going rate. Even if you only sell 10 shoots in a night, the experience is invaluable before you tackle a busy event.

Once you get a booking, splash out on some pop up banners showing what you do, flyers and business cards. When you get there and setup, take a few test shots of the bar staff, waitresses and event organisers to test everything. Frame these up and give them out as gifts, asking them to show the guests! Great advertising! Get the DJ to tell guests where you are and what you are doing. Work the tables if it's quiet. Above all enjoy it and be polite and professional as you are representing us all!

That's enough secrets revealed for now, if anyone wants to ask any questions feel free. This is just my opinions and experience so far, I'll add more as I get time. If you find this at all useful, please tell others, I'm not charging to write all this, nor am I selling anything, but links to my site will really be appreciated, or a mention in any blogs etc. Cheers, Paul Harrison

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วันจันทร์ที่ 9 เมษายน พ.ศ. 2555

4 Things to Know Before You Book a Photo Booth Rental Company for Your Wedding

The big thing these days to have at a wedding reception, birthday party, reunion, or really any event is to have a photo booth. But if you have never rented a photo booth before what should you know?

The first thing you should ask is what type of camera does your photo booth use? Why is this important? Some photo booths use a "web cam" camera, these produce a lower resolution than normal cameras, they are cheaper for the photo booth operator to have in their booth and can cause blurry pictures. What you want in a photo booth is a DSLR camera, these are the cameras that the professional photographers use and provide the best photos.

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The next thing you want to know is what type of printer they use. The worst case is a regular computer printer not made for photos, then there are "photo printers" that use the same type of ink cartridge as the regular printer. These printers do not give a good result and use the printer paper that you can buy at best buy or staples. You want a company that use the "sub dye" printers, these are more expensive printers (usually cost the operator about 00) and uses a ribbon type of ink which provides the same prints as you would get at a photo store.

Does it cost for setup? Believe it or not some booth rental companies charge for setup. If you need them to setup hours before the event ask for a rate that would include "down time" which is time that the booth is not running.

What type of features does each package really contain? Ask about what you get with each of their packages. Plus if your event is not on a Saturday, ask if there is a discount for your date and what is their deposit.

Photo booths are a great way to wow your guest with custom photo strips with your information on them. It also gives a great conversation piece for all of your guest and something they can trade between each other. It is now a must have for every event for everyone. Also make sure to let your rental company know if your reception is on anything but the ground floor as some photo booths cannot go upstairs. One nice thing to do is if your photo booth operator is treating you good is to offer them food or even a tip.

If you want to spice things up a little bit you can ask about prop rentals or ask if you can use your own props for your event. This will make your photos more funny and interesting. One item you might want is a photo book if you are using it for a wedding, this way your will receive a copy of the strips to put into your book and everyone writes comments to you and you get to keep it as a present and is a perfect memory for your wedding. I highly suggest this as part of your package.

Also ask if you get the photos on a flash drive or CD for you to keep all the photos also that way or if they upload it to their web site or Facebook so all the guest can get a copy of other photos as well. This will make it more fun for all of your guests.

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วันเสาร์ที่ 7 เมษายน พ.ศ. 2555

Selecting the Right Photo Printer

There are two common types of photo printers namely inkjet photo printers and dye-sublimation photo printers. Dye-sublimation printers are also known as thermal-dye printers and dye-sub printers. An inkjet photo printer is ideal if you need to print both photos as well as coloured documents & reports. Dye-sub photo printers are perfect if you need a dedicated photo printer. Besides, check the picture sizes that it can make. Most of them can print 4"x6" pictures, but if you are fascinated by wallet-sized prints, ensure the printer can have room for them.

Most inkjet photo printers shoot ink at pages via tiny nozzles, making it feasible for them to create good-quality photos at a decent pace and of course inexpensively. Most inkjet printers make use of CMYK colour scale (C - cyan, M - magenta, Y- yellow & K - black). They also make use of a technique called dithering to deceive your eye into witnessing more colors. An excellent example of dithering is colour pictures that you can see in newspapers. If you look a bit closer you can notice the effect of dithering.

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Few higher-end inkjet photo printers print with additional colors like a light magenta, light cyan, green or red enabling them to produce pictures of higher quality. They have the ability to print at reasonable pace, so that you can make use of them for other projects as well.

Some popular brands include HP, Epson and Canon. Dye-sub photo printers for a short period of time heat a CMYK colour ribbon, transferring a colour photo paper to glossy photo paper. Magenta, Cyan and Yellow can be printed in a plethora of shades that go in combination to create nearly 17 million colours.

Even at a 300 x 300 dpi resolution, you can accomplish the clear and crisp colours correlated with inkjet printers having much higher resolution. Some popular brands of dye-sub printers include Canon, Olympus and Kodak dye-sub printers.

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วันพฤหัสบดีที่ 5 เมษายน พ.ศ. 2555

Inside Tips About Buying Photo Canvas Prints Online

Don't Believe The Hype!

It struck me the other day that, once you've read some of my photo tips and are now taking fantastic photographs (ahem)... you might want to do something with them?

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OK we can dash of to the local photo lab/supermarket/chemist and get some prints bashed out ...or go online and do the same. But and believe me it's a big but , there is so much more the digital format can do. One of the biggest and most popular photography trends to come of the 'digital explosion' is getting a PHOTO CANVAS, printed of your own photography, great looking modern and classy. Unframed and simple they will fit into nearly all types of décor and look great. Good for your own house or as a special personalised gift.

"So I can go online, just get one and 'bingo, job done' right? After all, there are new sites popping up every day claiming to offer stuff better than the last site you checked out" ...

I'll give you some facts and you decide...

Its all about the canvas

There are so many different types of canvas, it can get a little bit boring ... so does it make any difference? It depends what you want for your money, why is a Mercedes more expensive than a Kia?

The vast majority of canvas prints will be PVC coated canvas printed with solvent based inks. The ink can crack on the corners and the whole thing has a 'plasitcy' look and feel. some less 'bothered' printers call this 'giclee' printing ... its not. Giclee is an old fashioned and very smelly varnish they used to seal prints with 'back in the day'. There are some printers who have systems that are excellent. Don't get me wrong, but I'm afraid the vast amount of them are just just jumping on a hot trend to make some fast buck.

The other major alternative is 'woven canvas' for transfer ink. This is uncoated canvas, printed with a water based, heat cured ink, very eco friendly and very, very hardwearing, it's also used for handbags and shoes so it's got to be hardwearing. This type of printing involves some pretty heavy weight machinery to 'cure' the prints into the textile, the big advantage of this is that the inks don't affect the feel of the textile, keeping them soft and natural feeling. The overall effect is a much higher quality look to the print, its hard to put into words how classy dye transfer looks, so I won't. It just does OK?

Its all about the print as well

So you've taken a great portrait of your Mum and got it printed onto a canvas, as a gift online.... Why is her face now purple? It didn't look like that on-screen!

Most large format digital inkjet printers are stable machines these days and looked after will offer years of reliable service. The fly in the ointment here is that the owner doesn't look after them or uses cheaper third party inks in them they will be most likely to spit out mile after mile of sub-standard, weak, colour shifted, streaky, PANTS. (and no one wants streaky pants do they....mark?)

Problem is how do you know that from a website? After all no one is going to put a rubbish print in their shop window are they?

This is a tough one to work out online. Your best bet is to look for a quality or satisfaction guarantee, if they are prepared to put their money where their mouth is at least you have some recompense should the quality not be as you expect.

...eeerr and its all about frames....too

Best on a deep frame, (1.5 or 2 inches is the norm) this will keep it square and true. If a canvas print seems cheap it's a good chance it will be on a ½ inch frames and made of MDF or cheap knotty pine that could warp. Look for at least 1.5 inch deep, kiln dried soft wood .. preferably from managed plantations.

You may read on some sites, about 'wedges' on the inside corners of the frame. Here's the heads up on that. If the printer is using poor quality canvas it will stretch over time and need wedges in the frames to re tighten it. This concept came from the days when cotton canvas was stretched and oil painted and the cotton took in moisture from the air and became slack.

If they use wedges in 2007 be careful.

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วันอังคารที่ 3 เมษายน พ.ศ. 2555

Event Photography - Debunking the Myths and Promoting a Professional Approach

There is a common misconception that event photography is a soft option, something that can be done part-time to earn some easy extra cash on the side. The reality, of course, is very different and there is a great deal more to this sector than some might imagine, both in terms of the preparation that is required to deliver a quality result often under considerable time pressure and also the investment required, both in time and money. Walk blind into this area at any level and you risk not only your own future in the event business but also that of other photographers, who might lose jobs on the back of event organisers losing faith in the end product.

The purpose of this piece is not to discourage any photographer from looking at the potential of event coverage but to give them an honest guide as to what is required to make a success of event photography. There are a number of different levels at which you can operate and the requirements are different for each of them, but it is possible to move into event photography in a fairly low key way and then build up your involvement if things are working out well. This in turn ensures that it's not necessary to make a full commitment from day one if you want to take things more slowly.

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There are 3 things that you can do to prepare yourself for events;

You could join a reputable organisation such as the Event Photographer Society You could get training from professional event photographers Read this article
What you need

The first thing that any event photographer should have in place before walking out of their front door is insurance. It's crucial - and legally required - to protect yourself and your customers, and to make sure that you don't become a victim of the current litigious society you need to speak to an insurance expert about the likes of Public Liability Insurance, equipment cover and any other essentials.

The second thing you need to think about early on is a website to enable you to sell images after the event. This is by no means your only route to market but it's a crucial way to maximise your sales and to give your company visibility. However, in my opinion the best way to sell is still to offer prints on the spot, because this will be the time when people are in the mood to buy a print and they will present a relatively easy sell. It's also very clean and efficient, with sales being dealt with on the spot and nothing to follow up, and the money you can take on the night is great for cash flow!

This takes you into the realm of small, transportable dye-sub printers of course and there are several to choose from which is something that I covered when I wrote an article for Photo Pro in August 2009. In brief you need to make a buying decision based on speed, reliability and weight - don't just buy a product based on its price tag - and it's worth asking other professionals which kit they personally use and then basing a buying decision on which gear sounds best suited to your individual requirements. I will write a further article on this soon as there are some really nice new models that have appeared since then such as the DNP DS40 and DNP DS80.

One of your major considerations in terms of what kit you might require will be the area of event photography that you choose to go into. Generally there are two avenues you can explore: social events and sporting events, with some photographers, such as myself, working across both areas. Sporting events can be split down still further into outdoor and indoor locations, while social covers any event that requires a studio setup.

Those looking to work in social event photography will usually have different camera considerations, and they benefit from the fact that they don't need to opt for something which is top of the range. If you're regularly covering black tie events, for example, then you should be looking to keep file sizes down to about 1.5MB, and for this a good quality 6 megapixel camera will deliver what is required to enable printing on-site of 12x8ins images and bigger sizes from web sales. You can always buy a more powerful camera of course and shoot at lower than optimum resolution, but this might not be your most cost-effective solution.

For sporting events you need to look at more specialised gear and here the most critical thing you will need to invest in will be good quality, fast lenses. The usual starting point is going to be something like a 70-200mm f/2.8 to enable you to get the desired shutter speeds but also to have the wide apertures available to put the background out of focus. Other things to look at are camera hoods (rain jackets) to protect the camera from bad weather.

Many novices will try to use a burst of images to capture the peak of the action but in reality this means you are more likely to miss the shot that sells. It is important to understand the sport you are covering and be able to predict when and where to take the shot. Once you have mastered this you can start to understand when a burst of images may be needed, such as capturing a rider falling from their horse - yes they like those images as well! Most DSLRs these days come with a decent fps rate so this is a function you will probably have to hand.

On-Site

Working on location you encounter what might be the biggest expense of all: the need to have accommodation for yourself and your team plus your printers and power to run everything. Essentially the cover issue can be solved in one of three ways; a marquee, a trailer fit or a van fit. The issue with a marquee is that all the equipment has to be set up each time whereas as with the van or trailer it is a simple matter of connecting to the power and switching on.

The power issue can be tackled with batteries but this is not simple and the preferred option is a generator. Care needs to taken to select one that has a stable voltage (there have been a number of instances where printers do not function correctly when used with generators) which normally means looking for a term like 'pure sine wave' or 'inverter technology'. There is a further complication that some event hosts will not let you on site with petrol generators, so a good choice is to look for an LPG converted generator, with the generator of choice being a Honda EU20i.

Moving indoors as a sports photographer you still need those fast lenses but now the low light levels come into effect and it is here that many of the lower end cameras really struggle. Imagine shooting an indoor equestrian event in November - you have mixed lighting and really need to be able to achieve shutter speeds of 1/640sec or faster. You are now looking at having to up your ISO levels to 5000 or maybe higher, and this is a specialised area if you are still looking for good, usable results. For me this meant the purchase of a Nikon D700; a big investment for sure, but it's important to buy once and to buy right, and I knew that was what I needed. The expense doesn't stop there, and the use of very fast f/1.4 and f/1.8 lenses can help you not just to get an image but also to focus in low light. Using a flashgun with many indoor events such as equestrian is liable to see you set upon by a group of pony club mums - best avoided at all costs.

Lighting

If you're working in the social area you will probably need to invest in reliable lighting - you will never have two setups that are the same and will have to learn to work within the space available. Remember that what you are providing is a mobile studio setup, so you will need backgrounds and stands. As you are using electrical equipment you will also need to make sure that you have this PAT tested (look at http://www.pat-testing.info/legal.htm for the legal requirements).

A good quality light meter will help you to get the light levels right, but one problem you might not expect is the tendency for the lights to reflect back from walls and to potentially create colour casts. In my opinion it is essential to always carry out a custom white balance, and this is the second thing I do after adjusting the lights. Personally I use the Lastolite ezybalance and it takes 30 seconds to ensure another aspect of providing a quality image to the customer has been covered. A quick test shot at this stage should give you a clean image at the printer and you are ready to take on your first client.

Two important issues for the social event photographer to consider are how to trigger the lights and also how to physically get the image files from the camera over to the printer generating prints for sale. Both areas come with an option to use cables, either to link the equipment or to tether the camera, but in a busy situation you are then introducing trip hazards and it will also restrict where you can actually move with the camera. I do take cables with me on a job but they are kept in the box just in case of emergencies - as an event photographer you do need to be covered for every eventuality because as the event photographers' mantra goes 'the only image you can't sell is the one you don't take'.

In terms of studio flashes, an alternative way to fire them is via an infra-red light trigger, but these can be temperamental and you do need to be able to react to a situation if things go wrong. For example, at one Christmas event I encountered a novelty toy reindeer which was spinning around and bucking away with a big red flashing nose, and this was continually setting off the studio flash! Some Gaffa tape to cover the offending part did the trick but it gave me a few hairy moments. I now use a wireless system and it's proved very reliable and safe in operation.

Wireless Transfer

In terms of sending files back to base, you could swap cards on the camera and pass them back to the sales point but I do wonder what would happen if you took your camera to be repaired under warranty because the card pins were bent, and then had to explain that it had just had some light use i.e. 100 card swaps a night for a hundred nights in the year. There are now viable alternatives as we enter the era of reliable and efficient Wi-Fi including SD memory cards set up to be Wi-Fi enabled to bring the entry level price of this technology down to very manageable levels.

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