BenQ W1090 User Manual - Page 17

Obtaining a preferred projected image size The projected image size is determined by the distance from the projector lens to the screen, the zoom setting, and the video format. Projection dimensions Refer to "Dimensions" on page 68 for the center of lens dimensions of this projector before calculating the appropriate position. Floor Installation Ceiling Installation : Screen : Center of lens : Screen : Center of lens Screen dimensions Diagonal [inch (mm)] Height
[mm] 50 (1270) 623 60 (1524) 747 70 (1778) 872 80 (2032) 996 90 (2286) 1121 100 (2540) 1245 110 (2794) 1370 120 (3048) 1494 130 (3302) 1619 140 (3556) 1743 150 (3810) 1868 160 (4064) 1992 170 (4318) 2117 180 (4572) 2241 190 (4826) 2366 200 5080 2491 250 (6350) 3113 300 (7620) 3736 Width [mm] 1107 1328 1550 1771 1992 2214 2435 2657 2878 3099 3321 3542 3763 3985 4206 4428 5535 6641 Projection distance [mm] Min distance (with max zoom) 1273 1528 1782 2037 2291 2546 2800 3055 3310 3564 3819 4073 4328 4583 4837 5092 6365 7638 Average 1461 1753 2046 2338 2630 2922 3214 3507 3799 4091 4383 4676 4968 5260 5552 5844 7306 8767 Max distance (with mim zoom) 1649 1979 2309 2639 2969 3299 3628 3957 4288 4618 4948 5278 5608 5937 6267 6597 8245 9896 Offset (full height definition) [mm] 93 112 131 149 168 187 205 224 243 262 280 299 318 336 355 374 467 560 There is 5% 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 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