BenQ Digital Projector LX60ST - Manual (Page 15)

Positioning your projector 15
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 54 for the center of lens dimensions of this projector
before calculating the appropriate position.
LX60ST
For example, if you are using a 120-inch screen, the recommended projection distance is
1481 mm and the vertical offset is 274 mm.
If your measured projection distance is 2.0 m (2000 mm), the closest match in the
"Distance from screen (mm)" column is 1852 mm. Looking across this row shows that a
150'' (about 3.8 m) screen is required.
Screen size
Distance from screen (mm)
Vertical offset
(mm)
Diagonal W
(mm)
H
(mm) Inch mm
80 2032 1626 1219 988 183
100 2540 2032 1524 1235 229
120 3048 2438 1829 1481 274
150 3810 3048 2286 1852 343
180 4572 3658 2743 2222 411
200 5080 4064 3048 2469 457
220 5588 4470 3353 2716 503
240 6096 4877 3658 2963 549
270 6858 5486 4115 3333 617
300 7620 6096 4572 3704 686
Screen size
Projection distance
Center of lens
Screen
Vertical offset