Term - Keystoning

Keystoning

SWPP and BPPA Photographic Glossary

Monday 20th May 2013

SWPP & BPPA

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Keystoning

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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