67/645 - Older lens mounts made by Pentax.

Spectrophotometer - Device used to measure the quality and accuracy of a color monitor and the film or paper output.

HSB (Hue, Saturation, and Brightness) - A color model that utilizes Hue, Saturation, and Brightness as the three coordinates.

Superimpose - To place one element over another to create stacking of images or overlays.

Aliasing - The visual stair-stepping of edges that occurs in an image when the resolution is too low. This can be caused by improper image sampling or improper image processing.

White - The result of combining the additive primary colors (Red, Green and Blue).

ISO - ISO is a measurement of a digital camera's imaging sensor's sensitivity. Digital cameras with high ISO capability are better able to take low-light images and pictures of fast moving objects.

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