Aspect Ratio

Vincent Bockaert, 123di.com

The width divided by the height of an image or "aspect ratio" is usually expressed as two integers, e.g. width/height = 1.5 is expressed as width:height = 3:2.

3:2 aspect ratio of 35mm film, 6"x4" prints, and most digital SLRs 4:3 aspect ratio of most computer monitors and digital compact cameras
This article is written by Vincent Bockaert,
author of The 123 of digital imaging Interactive Learning Suite
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