Another question about flatbed scanners, you computer graphic folks can give me some advice:?
2. What if I wanted to scan in an 8.5x11 piece of art and take the info to Kinkos and have them enlarge it to poster size--what specs would I need in a scanner then...or would I just have Kinkos scan it for me with their high end equipment?
Answers:
Look for the highest DPI or PPI numbers you can find. These numbers determine the resolution of the scanned image. The higher these numbers, the smaller the pixels. Big pixels mean jagged edges and blotchy colors in your image. Blown up to poster size and these become much more obvious.
If you have ever looked closely at a billboard, or the ads displayed on busses, you can see this large pixelization. Since these are meant to be seen from a longer distance, they are not so apparent. But a poster, hanging in your bedroom or office will show these too easily.
By the way, their "high end" equipment may not be all that high. Just high enough. Ask them about their equipment's DPI or PPI.
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