Does it matter what kind of battery I use?

Yes. It is better to have a rechargeable battery with your camera, instead of the regular AA batteries. In fact, many manufacturers are starting to include rechargeable batteries with their cameras because they know that it makes little sense to use regular batteries with their cameras. ...

How do digital cameras work?

In contrast to a conventional film camera, in a digital camera the light is focused onto an image sensor called a CCD (charge coupled device). The CCD is a collection of light-sensitive photosites that produce an electric charge when struck by light. These charges are converted into numbers that are stored in the memory (usually on a memory chip). From there, the whole image can be displayed, sent to a computer, or even printed directly on a printer. ...

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