Aspect Ratio
- Aspect Ratio (common, width to height) - expressed x:y (or x to y)
- 4:3 (or 1.33:1) - TV standard, common point/shoot camera, videographic
- 3:2 (35 mm) - common still camera
- 16:9 (or 1.78:1) - most important for HDTV future, professional still, common high definition, European digital video
- 1.85:1 - widescreen ration, american "flat" ratio, common cinematic film
- 2.39:1 -