If most of your photography is done in dim light or at the racetrack, don't settle for a digital camera with an ISO equivalent of 100. Expert Advice 1. Pick your pixels. 2 million pixels provide a lot of detail. Go with rechargeable.
All digital cameras are battery hogs, although some models are more ravenous than others.
And don't forget an AC adapter. Forget digital zoom. If you want a zoom lens, make sure you get a camera with a built-in optical zoom lens. Learn the lingo. Most digital cameras store images by using the JPEG file format, which shrinks the size of the picture files.