One megabyte equals approximately one million bytes of stored data (photos, video, words, art, etc.). 'Mega' comes from the Greek word, megas, meaning large.

Digital cameras with this feature or mode provide you with total control of the focus. This is particularly useful when shooting macro photography.

Macro means you can be close enough to your subject to reproduce it life size, or at a 1

A JPEG file format is lossy because some of the image data is deleted, so the image can be compressed.

This refers to a photo format, such as RAW, that doesn't compress the image data.

An alternative power source that is typically rechargeable as a complete battery pack for some digicams. Although Lithium ION batteries cost more than NiCad batteries, they offer many advantages

You look at the picture you want to take, review photos after you've taken them, and read your camera's menu option on this type of display.

A zoom lens allows you to select one of a number of focal lengths with one lens.