I understand that for web-viewing purposes, 72 DPI is enough for good resolution. However, when it comes to making prints for your artwork, you have to have it at least 300 DPI.
1. What would prevent people from changing the DPI to 300 using Photoshop, etc.?
2. This might be answered by no. 1 as well but, when do you specifically make an image high-res or lo-res, before saving your PSD to JPG/TIFF/etc? Or you can make it high-res or lo-res anytime you want?
3. Say you're being commissioned by someone for an artwork, how do you send them a high-res artwork? Do you send them the PSD file itself, or do you flatten your PSD image, save it as 300 DPI (or higher) JPG/TIFF/etc and then send that to them?
Sorry if they sound particularly noobish. I'm just concerned that I may be uploading high-res, printable images in the future and not know it. :/
Thanks for the replies!
1.Changing the DPI wouldn't make an image good for print because it's like blowing up the size; if it's low-res to begin with, you can't make it "high-res" no matter what you do.
2. That is determined when you first create your document. After that you can't go back and fix it.
3. You send the image in the resolution/DPI you worked with. I usually do what you mentioned, flatten and save because unless the client specifically requests it, they may have no use for it.
Last edited by Elwell; October 6th, 2010 at 08:44 AM.
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"Work is more fun than fun."
"Art is supposed to punch you in the brain, and it's supposed to stay punched."
As Elwell says, when you print you need to know two of -
If you know any two you'll know the third. One, however, isn't enough.
Don't feel too bad, though. Not so long ago I had an an art editor say that they would like the final preview images (of a specified pixel dimension) sent in 72 dpi rather than 300 dpi to minimise the size of the email. Unbelievable.
In any case, thanks everyone. I think I already know what to do now.
Yeah, 300 is always best if you can manage that. I've had a couple of recent jobs where I needed to print 1m+, and therefore we used 150 dpi. Before I did that I did a test print on 100 DPI and whilst it wouldn't look particularly good for text or patterened graphics, that was fine for 25"+ for painterly stuff.