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| Frequently Asked Questions - Printing >>> | |
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What is resolution and why is it important? Resolution is the amount of dots or pixels that make up an image. Traditionally measured in DPI (Dots Per Inch) it is now mostly referred to as PPI (Pixels Per Inch). Resolution is quite important, as the wrong resolution in the wrong circumstances can be disasterous. For web images, for instance, the resolution for a same size image on the screen should be 72PPI, and images have to be pixel perfect and the right size in order to line up correctly. If the resolution is too high, the images will be too big and it will break the page. For photos in print it is advised that the resolution is a minimum of 300PPI as this is broken down with a 'screen' (a pattern of dots to simulate the photograph). Take a look at a magazine photo under a magnifying glass and you will see what we mean. When the resolution is too low it will look fuzzy and will have that telltale stepping or look 'jaggy'. For solid areas in print like black type and black panels the resolution should be much higher, as there is no screen and we want to avoid jaggy or broken text. As we tend to supply flattened artwork anyway, we compromise and generally artwork at 600PPI. It doesn't hurt to overdo it and the results are always pin-sharp. |
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