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FAQ:
How to buy a Digital Camera

by Simon Walker

>>This is part of the Cyberwalker FAQ: How to buy a digital camera

Resolution: Demystifying Megapixels

One of the first features listed a new camera’s box is the number of “megapixels” or “million pixels”. A “pixel” is simply a tiny dot of colored light. The more dots of light a camera can capture when you press the shutter button, the larger and more finely detailed a photograph can be displayed or printed.

To put it in familiar terms, a 3 megapixel camera will produce an 8 x 10 inch sized photograph with comparable clarity to a 35 mm film camera. Printed on any larger format and the print will be grainy at 3 MP resolution.

To take pictures to share with friends using only e-mail, 1 MP is more than enough and, in fact a camera with greater resolution will require you to use your Windows XP or a photo editor to reduce the size of the pictures when sending them over the internet as the file size may be too large for many e-mail services.

If your camera is capable of a greater number of megapixels, it will allow you to crop and resize the images you take without losing clarity. The greater the number of megapixels, the finer the resolution and the greater the files size used to store the captured image on the flash memory card and hard drive in your computer

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