BenQ GV50 - Obtaining a Preferred Image Size; Projection Dimensions

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Obtaining a preferred 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
The screen aspect ratio is 16:9 and the projected picture is in a 16:9
aspect ratio
.
H
16:9 Screen Diagonal
Screen
Center of lens
Distance from Screen
W
Vertical Offset
Screen size
W (mm) H (mm) Distance from screen (mm)
Inch mm
30 762 664 374 797
40 1016 886 498 1063
50 1270 1107 623 1328
60 1524 1328 747 1594
70 1778 1550 872 1860
80 2032 1771 996 2125
90 2286 1992 1121 2391
100 2540 2214 1245 2657
110 2794 2435 1370 2922
120 3048 2657 1494 3188
For example, if you are using a 100-inch screen, the recommended
projection distance is 2657 mm.