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Positioning your projector 19
Projection dimensions
Refer to "Dimensions" on page 99 for the center of lens dimensions of this projector
before calculating the appropriate
position.
MP780 ST+
MW860USTi
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
Screen size
Distance from screen (mm)
Vertical offset
(mm)
Diagonal W
(mm)
H
(mm)
Inch mm
40 1016 862 538 431 88
50 1270 1077 673 539 110
60 1524 1292 808 646 132
80 2032 1723 1077 862 176
100 2540 2154 1346 1077 220
120 3048 2585 1615 1293 264
150 3810 3231 2019 1616 330
200 5080 4308 2692 2154 440
250 6350 5385 3365 2693 550
300 7620 6462 4039 3231 660
Screen size
Distance from screen (mm)
Vertical offset
(mm)
Diagonal W
(mm)
H
(mm)
Inch mm
40 1016 862 538 294 67
50 1270 1077 673 381 84
60 1524 1292 808 468 101
80 2032 1723 1077 642 135
100 2540 2154 1346 817 168
120 3048 2585 1615 991 202
150 3810 3231 2019 1253 252
200 5080 4308 2692 1689 337
250 6350 5385 3365 2125 421
300 7620 6462 4039 2561 505
16:10 screen diagonal
Projection distance
Center of lens
Screen
Vertical offset