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Old Aug 8, 2003, 7:47 AM   #1
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Default Pixel Difference

I would like to buy a new camera and have one in mind which is a 3.2 mp. My husband thinks bigger is better and wants to purchase a 5.0 mp. I say these are strictly for photography professionals. I will only be using the camera for family photos for printing and emailing. Can anyone tell me exactly what is the difference between the 2, 3, 4 and 5 mp cameras?

Thank you !!
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Old Aug 8, 2003, 8:00 AM   #2
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You are right in principle, but if you can afford more pixels you'll appreciate them if you ever want to crop your pictures before printing them. I find I do this more with quick family snapshot photos than I do with my careful attempts at masterpieces which I compose carefully.

That said, when I had a 3Mpixel Olympus C3020Z I was very happy with it.
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Old Aug 8, 2003, 8:34 AM   #3
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Default Re: Pixel Difference

Originally Posted by Eileen
... Can anyone tell me exactly what is the difference between the 2, 3, 4 and 5 mp cameras?
If all else is equal (it never is), the size of print you can make increases as the square root of the ratio of MegaPixels, i.e., a 3mp will make a picture 1.2247 (sqrt(1.5)) times as big in linear dimension as a 2 mp , 1.4142 for 4mp, and 1.5811 for 5mp.

Other features are at least as important as pixel count, and those depend more on price than mp. A pro SLR with 3mp will cost several thousand dollars (w/o lens) and produce better pictures than any of the consumer 5mp cameras.
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