BenQ MP522 User Manual - Page 17

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