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Positioning your projector 17
Projection dimensions
Refer to "Dimensions" on page 63 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.
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)
30 762 610 457 1132 1189 1245 23
40 1016 813 610 1509 1585 1660 30
50 1270 1016 762 1887 1981 2075 38
60 1524 1219 914 2264 2377 2491 46
80 2032 1626 1219 3019 3170 3321 61
100 2540 2032 1524 3774 3962 4151 76
120 3048 2438 1829 4528 4755 4981 91
150 3810 3048 2286 5660 5943 6226 114
200 5080 4064 3048 7547 7925 8302 152
220 5588 4470 3353 8302 8717 9132 168
250 6350 5080 3810 9434 9906 10377 191
300 7620 6096 4572 11321 11887 12453 229
<H>
<W>
Maximum zoom Minimum zoom
Projection distance
Center of lens
Screen
Vertical offset