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D
Dailies
Imagery produced during the previous day’s work, or a meeting to view this work. Also called ‘rushes’ in the UK.
Depth of Field
The depth of field of a specific lens is the range of acceptable focus in front of and behind the primary focus setting. It is a function not only of the specific lens used but also of the distance from the lens to the primary focal plane, and of the chosen aperture. Larger apertures will shorten the depth of field; smaller apertures will lengthen it.
Diffusion
An effect, caused by atmosphere or special filters placed on the lens, that is characterized by a scattering of light, elevated dark areas, and an overall softer look.
Dither
A method for representing more colours then would normally be available with a given palette. Dithering uses combination of coloured pixels and relies on the fact that the human eye will average them together and interpret the result as a new intermediate colour.
Dots Per Inch (DPI)
A common method for measuring spatial resolution in the print industry. The horizontal and vertical scales are assumed to be equal, unless specified otherwise. Not the same but often called (PPI) Pixel Per Inch.