Obtaining A Preferred Projected Image Size - BenQ MX819ST User Manual

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
calculating the appropriate position.
MX819ST/TS819ST
The screen aspect ratio is 4:3 and the projected picture is in a 4:3 aspect ratio
(a) Screen size
Diagonal
Inches mm
80 2032
100 2540
120 3048
150 3810
180 4572
200 5080
220 5588
240 6096
270 6858
300 7620
For example, if you are using an 120-inch screen, the recommended projection distance is
1481 mm and the vertical offset is 274 mm.
If your measured projection distance is 2.5 m (2500 mm), the closest match in the
Distance from screen"
(about 5.1 m) screen is required.
for the center of lens dimensions of this projector before
(a)
(c)
(b)
(b) Distance from screen
Height Width
(mm) (mm)
1219 1626
1524 2032
1829 2438
2286 3048
2743 3658
3048 4064
3353 4470
3658 4877
4115 5486
4572 6096
column is 2469 mm. Looking across this row shows that a 200''
Screen
Center of lens
(mm)
988
1235
1481
1852
2222
2469
2716
2963
3333
3704
Positioning your projector
(c) Vertical offset
(mm)
183
229
274
343
411
457
503
549
617
686
"(b)
15