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Positioning your projector 17
Projection dimensions
Refer to "Dimensions" on page 64 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)
30 762 646 403 1018 1127 1235 6.1
40 1016 861 538 1273 1420 1567 8.3
50 1270 1077 673 1564 1731 1897 10.5
60 1524 1292 807 1871 2047 2223 12.6
80 2032 1723 1077 2435 2658 2881 16.4
100 2540 2153 1346 3014 3276 3538 20.5
120 3048 2584 1615 3594 3894 4194 25.1
150 3810 3230 2019 4465 4823 5180 31.3
200 5080 4307 2692 5916 6369 6822 41.6
220 5588 4738 2961 6496 6987 7478 45.7
250 6350 5384 3365 7367 7916 8464 52.1
300 7620 6461 4038 8818 9462 10106 62.4