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Anonymous
>>284135 >but making it larger will always distort it a little. Am I wrong about this?
Yes and no. First of all, 300 DPI is going to be a smaller print from the same file than 240.
Second, ever seen a pointillist painting? Printing is like that. DPI is just dots per inch- if you're printing for something people will be looking at close up, you need a lot of dots per inch so people can't see them. 300 DPI (or higher, but that doesn't matter) is ideal for 8x10s, 5x7s, and all those other usual small print sizes.
If you're printing for a poster, though, it depends on the size- no one is going to look at your ten foot wide poster from a few inches away. So you can get away with much less DPI with no visible "distortion," because the eye just blends it together.
Say you've got a file 4000 pixels on the longest side, but to get the DPI you want you need 8000- doubling that will decrease the quality.
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