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Evaluate for distance by 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 72
calculating the appropriate position.
LU9245
The screen aspect ratio is 16:10 and the projected picture is 16:10.
Note:
To optimize the projection quality, we suggest to project images in an area without grayscale.
Throw ratio
Diagonal
Image Width Image Height
(Inch)
(m)
(Inch)
(m)
(Inch)
50
1.27
42
1.08
26
60
1.52
51
1.29
32
80
2.03
68
1.72
42
100
2.54
85
2.15
53
120
3.05
102
2.58
64
150
3.81
127
3.23
79
180
4.57
153
3.88
95
200
5.08
170
4.31
106
250
6.35
212
5.38
132
300
7.62
254
6.46
159
350
8.89
297
7.54
185
400
10.16
339
8.62
212
500
12.70
424
10.77
265
for the center of lens dimensions of this projector before
Lens
Offset (A)
O
Wide/Tele
Wide/Tele
(m)
(Inch)
(m)
(Inch)
(m)
0.67
1.3
0.034
14.6
0.370
0.81
1.6
0.040
17.5
0.444
1.08
2.1
0.054
23.3
0.592
1.35
2.6
0.067
29.1
0.740
1.62
3.2
0.081
35.0
0.888
2.02
4.0
0.101
43.7
1.111
2.42
4.8
0.121
52.5
1.333
2.69
5.3
0.135
58.3
1.481
3.37
6.6
0.168
72.9
1.851
4.04
7.9
0.202
87.4
2.221
4.71
9.3
0.236 102.0 2.591
5.38
10.6
0.269 116.6 2.962
6.73
13.2
0.337 145.7 3.702
Wide Zoom
(LS2ST1)
1.1~1.3
Distance
Wide
Tele
Wide
(Inch)
(m)
(Inch)
(m)
(Inch)
47
1.18
55
1.40
65
56
1.42
66
1.68
78
75
1.90
88
2.24
104
93
2.37
110
2.80
131
112
2.84
132
3.36
157
140
3.55
165
4.20
196
168
4.26
198
5.04
235
187
4.74
220
5.60
261
233
5.92
276
7.00
326
280
7.11
331
8.40
392
326
8.29
386
9.80
457
373
9.48
441
11.20
522
466
11.85
551
14.00
653
Standard
(LS2SD2)
1.54~1.93
Distance
Tele
(m)
(Inch)
(m)
1.66
82
2.08
1.99
98
2.49
2.65
131
3.33
3.32
164
4.16
3.98
196
4.99
4.98
245
6.24
5.97
295
7.48
6.63
327
8.31
8.29
409
10.39
9.95
491
12.47
11.61
573
14.55
13.27
655
16.63
16.59
818
20.79
23
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