BenQ Mainstream MP620p 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% 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 1745
1500 2148
1524 2182
1829 2618
2000 2863
2134 3055
2438 3491
2500 3579
2743 3927
3000 4295
3048 4364
3500 5011
3658 5236
4000 5727
4572 6545
5000 7158
5486 7855
6000 8590
7620 10909
Offset
Projection distance
Average Max length
(with min.
zoom)
1876 2007
2199 2250
2345 2509
2815 3011
3078 3293
3284 3513
3753 4015
3848 4116
4222 4516
4617 4939
4691 5018
5387 5763
5629 6022
6157 6586
7036 7527
7695 8232
8444 9033
9234 9878
11727 12545
Screen
Center of lens
Vertical Offset in mm
18
23
23
27
30
32
36
38
41
45
46
53
55
60
69
75
82
90
114