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Positioning your projector 17
MP512 projection dimensions
Refer to "Dimensions" on page 56 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.
4:3 screen diagonal Recommended projection distance from
screen in mm
Vertical offset in mm
Feet Inches mm Average
4 48 1219 1920 73
59 1500 2362 90
5 60 1524 2400 91
6 72 1829 2880 110
79 2000 3150 120
7 84 2134 3360 128
8 96 2438 3840 146
98 2500 3937 150
9 108 2743 4320 165
118 3000 4724 180
10 120 3048 4800 183
138 3500 5512 210
12 144 3658 5760 219
157 4000 6299 240
15 180 4572 7200 274
197 5000 7874 300
18 216 5486 8640 329
236 6000 9449 360
25 300 7620 12000 457
4:3 screen diagonal
Projection distance
Center of lens
Screen
Vertical offset