What is the size of printout you can get from a 2 megapixel camera?

Question by Understated statement: What is the size of printout you can get from a 2 megapixel camera?
For a 2 megapixel camera , what is the size of photo can you get ?
Similarily , what about a 3 megapixel camera, 5 megapixel camera
and so on ?


Best answer:

Answer by Didi
You can get any size of printoutfrom these cameras (in theory). In practice it is a question of quality. Assuming that your printout has a ratio of 10/15 and the pixel size is P, the pixels ler line that you will get is sqrt(15/10 x P). To get a good print this should be at least 200 pixels per inch. For 2 megapixels, this means about 1700 pixels or 8.5 inces, for 3 megapixels 2120 pxiles or 10.5 inces, for 2700 pixles or 14 inches. Note that in practice, godd printing softwares will extrapolate actual camera pictures and eventually allow for good prints at larger sizes. In addition the quality of the actual image will have an impact on how a print will look like, i.e. a 2m picture from an expensive professional digital camera will look much better than the same picture from a cheap mobile camera at the same size, simply because of the quality of the image captured.

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