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Positioning your projector18
Projection dimensions
Refer to "Dimensions" on page 58 for the center of lens dimensions of this projector before
calculating the appropriate position.
There is 3% tolerance among these numbers due to optical component variations. BenQ
recommends that if you intend to permanently install the projector, you should physically test
the projection size and distance using the actual projector in situ before you permanently
install it, so as to make allowance for this projector's optical characteristics. This will help you
determine the exact mounting position so that it best suits your installation location.
Maximum zoom
Minimum zoom
Projection distance
Center of lens
Screen
Vertical offset
Screen size Distance from screen (mm) Vertical offset
(mm)
Diagonal W
(mm)
H
(mm)
Min length Average Max length
Inch mm (max. zoom) (min. zoom)
30 762 664 374 890 1140 1390 128
40 1016 886 498 1210 1540 1870 171
50 1270 1107 623 1520 1935 2350 214
60 1524 1328 747 1830 2330 2830 256
80 2032 1771 996 2460 3125 3790 342
100 2540 2214 1245 3090 3920 4750 427
120 3048 2657 1494 3720 4710 5700 513
150 3810 3321 1868 4660 5900 7140 641
200 5080 4428 2491 6240 7890 9540 854
220 5588 4870 2740 6870 8685 10500 940
250 6350 5535 3113 7810 9875 11940 1068
300 7620 6641 3736 9380 11855 14330 1282