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Appendix d, Throw ratio, About the throw ratio – Silicon Optix 50HD User Manual

Page 56: Desktop installation, Appendix d throw ratio, Screen

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Appendix D

Throw Ratio

About the Throw Ratio

Throw ratio refers to the ratio between the projector’s distance from the screen (or
throw distance) and the diagonal of the image projected on the screen. The following
pages provide throw ratio tables and graphics.

Desktop Installation

The following illustration and tables explain how to calculate the throw ratio for a
desktop configuration. The tables provide values for screen ratios of 16:9 and 4:3.

Desktop Installation

SCREEN

z1

z2

(Ground level)

y1, y2