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Screen size and projection distance
Refer to the following table to determine the screen size.
B
A
Hd
When the aspect ratio of the screen is 4:3
40 102 24 61 32 81 55 1.4 71 1.8 2.4 6
60 152 36 91 48 122 84 2.1 108 2.7 3.6 9
80 203 48 122 64 163 113 2.9 145 3.7 4.8 12
100 254 60 152 80 203 142 3.6 182 4.6 6.0 15
150 381 90 229 120 305 214 5.4 274 6.9 9.0 23
200 508 120 305 160 406 285 7.3 366 9.3 12.0 31
250 635 150 381 200 508 357 9.1 - - 15.0 38
300 762 180 457 240 610 429 10.9 - - 18.0 46
Center of the lens
(Height of the
projected image)
(Width of the projected image)
Screen size
Screen size
Projection distance (L)
4:3 Diagonal size Height A Width B Shortest (Wide) Longest (Tele) Hd
inch cm inch cm inch cm inch m inch m inch cm
Projection distance (L)
• The above fi gures are approximate and may be slightly different from the actual measurements.
Setting up your projector (continued)