Appendix; Projected Image Size - InFocus LP 850 User Manual

LP840-850-860 User's Guide-02.fm Page 43 Friday, February 25, 2005 12:58 PM

Appendix

Projected image size

NOTE: Visit the Service section of our website for interactive image size cal-
culators for the standard and optional lenses.
Table 1: Projection sizes: Standard lens (1.5 - 2.2:1 throw ratio)
Minimum Image
Diagonal
Distance Image
(feet/m) (feet/m)
Min Distance 1.7/0.52
3/0.9
5/1.5 2.84/0.87
10/3.0 5.68/1.73
20/6.1 11.36/3.46
30/9.1 17.05/5.2 13.64/4.16
40/12.2 22.73/6.93 18.18/5.54
Max Distance 25.85/7.88 20.68/6.20
45.5/13.9
The image offset range for the standard lens is 10:1 (100%) to 1:1 (50%).
Maximum Image
Image Diagonal Image
Width Image Width
(feet/m) (feet/m) (feet/m)
1.46/.42 2.5/0.76 1.82/0.55
2.27/.69 4.17/1.27 4.55/1.39
4,46/1.36 8.33/2.54 6.56/2.00
9.09/2.77 16.67/5.08 13.33/4.06
25.0/7.62 20.0/6.10
33.33/10.16 26.67/8.13
37.92/11.56 30.33/9.25
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