Term - Keystoning
|Keystoning||SWPP and BPPA Photographic Glossary|
Tuesday 22nd July 2014
The distortion of a projected slide or movie caused by the projector lens axis not being at a 90 degree angle to the screen. The image will appear wider at one edge than on the opposite and the image will not be uniformly sharp.
Information provided by: SWPP BPPA
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