BenQ TH530 - Manual (Page 14)

Positioning your projector 14
Obtaining a preferred projected image size
The distance from the projector lens to the screen, the zoom setting, and the video format
each factors in the projected image size.
Projection dimensions
Refer to "Dimensions" on page 55 for the center of lens dimensions of this projector
before calculating the appropriate position.
The screen aspect ratio is 16:9 and the projected picture is in a 16:9 aspect ratio
For example, if you are using an 120-inch screen, the recommended projection distance is
4104 mm.
Screen size Projection distance (mm)
Diagonal W
(mm)
H (mm)
Min distance
Average
Max distance
Inch mm (max. zoom) (min. zoom)
40 1016 886 498 1302 1368 1435
50 1270 1107 623 1627 1710 1793
60 1524 1328 747 1953 2052 2152
70 1778 1550 872 2278 2394 2510
80 2032 1771 996 2603 2736 2869
90 2286 1992 1121 2929 3078 3228
100 2540 2214 1245 3254 3420 3586
110 2794 2435 1370 3580 3762 3945
120 3048 2657 1494 3905 4104 4304
130 3302 2878 1619 4231 4446 4662
140 3556 3099 1743 4556 4788 5021
150 3810 3321 1868 4881 5130 5380
160 4064 3542 1992 5207 5473 5738
170 4318 3763 2117 5532 5815 6097
180 4572 3985 2241 5858 6157 6455
190 4826 4206 2366 6183 6499 6814
200 5080 4428 2491 6509 6841 7173
250 6350 5535 3113 8136 8551 8966
300 7620 6641 3736 9763 10261 10759
H
W
Projection distance
16:9 Screen diagonal Screen
Center of lens
Vertical offset