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15x10cm photo resolution

post #1 of 5
Thread Starter 
Hi guys, have a quick question.
I have .png file with picture that has resolution of 448x718 pixels. How bad/mediocre it would look if printed on 10x15cm photo?

And what would be optimal resolution for 10x15cm photo?
 
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rMBP
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post #2 of 5
That's a really low resolution for printing... First of all, in order to print 10x15 (equivalent to a 4" x 6" for us Imperial folks), you would have to crop the photo to fit the 3:2 aspect ratio, which would leave you with a 448 x 672 file. Generally speaking, photos of that size (essentially 640 x 480) are for web use only, because blown up they just would be very pixelated. For good results, you ideally would be at least 300 ppi (pixels per inch), or at least 1800 x 1200. Your photo would be ~110 ppi, which is really quite low.
post #3 of 5
Thread Starter 
Quote:
Originally Posted by laboitenoire View Post

That's a really low resolution for printing... First of all, in order to print 10x15 (equivalent to a 4" x 6" for us Imperial folks), you would have to crop the photo to fit the 3:2 aspect ratio, which would leave you with a 448 x 672 file. Generally speaking, photos of that size (essentially 640 x 480) are for web use only, because blown up they just would be very pixelated. For good results, you ideally would be at least 300 ppi (pixels per inch), or at least 1800 x 1200. Your photo would be ~110 ppi, which is really quite low.

How it would look with 748x1122 ?

Thank you and +rep
 
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post #4 of 5
4x6 prints are cheap enough, why not just try it?

realistically i printed 90ppi before and it isnt too horrible. i mean its good enough to tell what you are looking at.
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post #5 of 5
Thread Starter 
Quote:
Originally Posted by mz-n10 View Post

4x6 prints are cheap enough, why not just try it?

realistically i printed 90ppi before and it isnt too horrible. i mean its good enough to tell what you are looking at.

I'm in UK and right now it's 5AM, I'll print it tomorrow, but since I need it tomorrow morning I had to make sure it would look ok.
Thank you
 
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