BenQ PB8253 User Manual page 21

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