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Projector Aspect Ratio

Aspect ratio is the width-to-height ratio of the displayed image, measured in inches. Some projectors can support multiple aspect ratios.

16:9
This aspect ratio is for wide-screen images, giving viewers the full picture of movies and broadcasts. It provides an image that is about one-third wider than standard displays. This format is used for HDTV video and some SDTV video.

5:4
This is the display aspect ratio for images with SXGA resolution. Wide-screen images will appear cropped at this ratio.

4:3
This is the standard aspect ratio fro TV, as well as images with VGA, SVGA, XGA, or UXGA resolution. Wide-screen images will appear cropped at this ratio.