Digital Projector Lens Calculator
Throw:

For 1.2" DMD chip projectors
Throw distance values are measured from the front face of the zoom lens.

Picture Formats Width Lens
Zoom
no
Anamorph		 Lens
Zoom
with
Anamorph		 Image
Width		 Image
Height		   Lens
Flat 1.86   42 22.7   1.8 to 2.4
Scope 1.45 1.83 55 23.4 * 1.25 to 1.45
1.45 to 1.8
HDTV 2.27   33 18.64 * 1.8 to 2.4
2.2 to 3.0

* Zoom range is close to two lens sizes



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