13 Positioning your projector
Obtaining a preferred projected image size
The distance from the projector lens to the screen, the zoom setting (if available), and the video format
each factors in the projected image size.
Projection dimensions
MS610/MX611
• The screen aspect ratio is 4:3 and the projected picture is in a 4:3 aspect ratio
For example, if you are using a 120-inch screen, the recommended projection distance is 5011 mm.
If your measured projection distance is 6600 mm, the closest match in the "Projection distance (mm)"
column is 6681 mm. Looking across this row shows that a 160'' (about 4.1 m) screen is required.
Screen size Projection distance (mm)
Offset (mm)Diagonal
H (mm) W (mm)
Min distance
Average
Max distance
Inch mm (max. zoom) (min. zoom)
35 889 533 711 1394 1462 1529 53
40 1016 610 813 1593 1670 1748 61
50 1270 762 1016 1991 2088 2184 76
60 1524 914 1219 2390 2505 2621 91
80 2032 1219 1626 3186 3341 3495 122
100 2540 1524 2032 3983 4176 4369 152
120 3048 1829 2438 4779 5011 5243 183
140 3556 2134 2845 5576 5846 6116 213
160 4064 2438 3251 6372 6681 6990 244
180 4572 2743 3658 7169 7516 7864 274
200 5080 3048 4064 7965 8352 8738 305
220 5588 3353 4470 8762 9187 9611 335
250 6350 3810 5080 9957 10439 10922 381
300 7620 4572 6096 11948 12527 13106 457
• To optimize your projection quality, we suggest you do the projection within non-gray area.
• All measurements are approximate and may vary from the actual sizes.
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.
H
W
Projection distance
Center of lens
Screen
4:3 Screen diagonal
Offset
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