BenQ Commuter CP220 User Manual page 20

Maximum zoom
4:3 Screen Diagonal
Feet Inches
4 48
5 60
6 72
7 84
8 96
9 108
10 120
12 144
15 180
18 216
25 300
There is 3%-5% tolerance among these numbers due to optical component variations.
14 Positioning your projector
Minimum zoom
Distance from Screen in mm
mm Min length
(with max.
zoom)
1219 1893
1500 2330
1524 2367
1829 2840
2000 3106
2134 3314
2438 3787
2500 3883
2743 4260
3000 4659
3048 4734
3500 5436
3658 5680
4000 6212
4572 7101
5000 7765
5486 8521
6000 9318
7620 11834
Offset
Projection distance
Average Max length
(with min.
zoom)
2007 2121
2469 2609
2509 2651
3011 3181
3292 3479
3512 3711
4014 4241
4116 4349
4516 4772
4939 5218
5018 5302
5762 6088
6021 6362
6585 6958
7527 7953
8231 8697
9032 9543
9877 10437
12544 13254
Screen
Center of lens
Vertical Offset in mm
25
31
31
38
41
44
50
51
56
62
63
72
75
82
94
103
113
123
156