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Positioning your projector 21
Projection dimensions
Refer to "Dimensions" on page 66 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.
4:3 Screen Diagonal Distance from Screen in mm Vertical Offset in mm
Feet Inches mm Min length
(with max.
zoom)
Average Max length
(with min.
zoom)
4 48 1219 1652 1773 1893 121
1500 2033 2181 2329 149
5 60 1524 2065 2216 2367 151
6 72 1829 2479 2659 2840 181
2000 2710 2908 3106 198
7 84 2134 2892 3102 3313 211
8 96 2438 3305 3546 3787 241
2500 3389 3635 3882 248
9 108 2743 3718 3989 4260 272
3000 4066 4362 4659 297
10 120 3048 4131 4432 4733 302
3500 4743 5089 5435 347
12 144 3658 4957 5318 5680 362
4000 5421 5816 6212 396
15 180 4572 6196 6648 7100 453
5000 6776 7270 7765 495
18 216 5486 7436 7978 8520 543
6000 8132 8725 9317 594
25 300 7620 10327 11080 11833 754
Maximum zoom
Minimum zoom
Projection distance
Center of lens
Screen
Offset