Point & Shoot cameras - With these cameras you are looking through a separate window (viewfinder) instead of through the lens. These cameras are less expensive, smaller and easier to carry. The disadvantages are under-powered flash, increased red-eye problems and limited flexibility to add other lenses, flashes, etc.

IPI - Irreversible Processed Indicator, a tab on the cassette. Depressed or broken in photofinishing to serve as an alternative indicator that the cassette has been processed.

Image Noise - Image noise creates specks of the wrong color in a digital image. Image noise usually occurs in low-light conditions when a camera's light sensor registers an incorrect value, for instance recording yellow when it should record black. This error causes small dots to appear in the image. Higher quality cameras should have very little noise, even at high ISO settings.

Buffer - In a digital camera, the RAM that is used to temporarily hold images while they are being written to the storage card.

Ghosting - The effect of changing an object's level of opacity

DAT (Digital Audio Tape) - A recording format that is commonly used for data storage and data backup because of its low cost per megabyte.

SLR-Style Camera - With protruding lenses and large hand grips, SLR-styles cameras have bodies that are physically similar to actual SLR cameras. Unlike proper SLRs, however, these cameras do not have "through-the-lens" viewfinders and do not accept interchangeable lenses.

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