Quote:
Originally Posted by teaking
One part that it comes into play is print size in a normal photo print 4x6, 5x7 10mp is more than enough your eyes cant see the difference between 18 and 10 at that size, but at larger print sizes A4, A3 and so on they can, they were examples I dont actually know the sizes that it comes into effect
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I use 6MP and have printed almost A4 (border) at 300dpi, and looks fantastic. I'd say I could go to A3 with a DPI of 180, but you would see the difference.
Having said that, the larger the print, the further away the viewer tends to be. You aint gonna be putting your nose on a A3 canvas hanging on a wall are you mate?
Main advantage of more pixels (to me at least) is that you could do some insane cropping if you needed to. So you can shoot with a wide aperture small tele (like a 100mm f2.8) and crop and it would appear like you used a 200mm or even 300mm. IF you have less pixels, you wont be able to crop as tight without loosing quality to get a decent size print/image.
Nathan