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English
19
Evaluate the distance based on the image size
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
Refer to
“Dimensions” on page 69
for the center of lens dimensions of this projector before calculating
the appropriate position.
Max. zoom
Min. zoom
Screen
Center of lens
Projection distance
Vertical offset A
H
W
LX770
The screen aspect ratio is 4:3 and the projected picture is 4:3
Screen size
Distance from screen (mm
)
Offset (mm)
Diagonal
H
(mm)
W
(mm)
Min distance
Average
Max distance
Inch
mm
(max. zoom)
(min. zoom)
30
762
475
610
1084
1384
1683
112
40
1016
610
813
1463
1862
2261
149
50
1270
762
1016
1841
2340
2838
187
60
1524
914
1219
2220
2818
3416
224
80
2032
1219
1626
2977
3774
4571
299
100
2540
1524
2032
3734
4730
5725
373
120
3048
1829
2438
4491
5686
6880
448
140
3556
2134
2845
5248
6641
8035
523
160
4064
2438
3251
6005
7597
9190
597
180
4572
2743
3658
6762
8553
10345
672
200
5080
3048
4064
7519
9509
11500
747
220
5588
3353
4470
8276
10465
12655
821
250
6350
3810
5080
9411
11899
14387
933
300
7620
4572
6096
11304
14289
17274
1120