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r When the screen aspect ratio is 4:3
Lens type
Projection lens Model No.
Throw ratio
*1
Projected image size
Height
Width
Diagonal (SD)
(SH)
(SW)
1.016 (40")
0.610
0.813
1.270 (50")
0.762
1.016
1.524 (60")
0.914
1.219
1.778 (70")
1.067
1.422
2.032 (80")
1.219
1.626
2.286 (90")
1.372
1.829
2.540 (100")
1.524
2.032
3.048 (120")
1.829
2.438
3.810 (150")
2.286
3.048
5.080 (200")
3.048
4.064
6.350 (250")
3.810
5.080
7.620 (300")
4.572
6.096
8.890 (350")
5.334
7.112
10.160 (400")
6.096
8.128
Projection lens Model No.
Projected image size
Height
Width
Diagonal (SD)
(SH)
(SW)
1.016 (40")
0.610
0.813
1.270 (50")
0.762
1.016
1.524 (60")
0.914
1.219
1.778 (70")
1.067
1.422
2.032 (80")
1.219
1.626
2.286 (90")
1.372
1.829
2.540 (100")
1.524
2.032
3.048 (120")
1.829
2.438
3.810 (150")
2.286
3.048
5.080 (200")
3.048
4.064
6.350 (250")
3.810
5.080
7.620 (300")
4.572
6.096
8.890 (350")
5.334
7.112
10.160 (400")
6.096
8.128
*1 The throw ratio is based on the value during projection of 2.03 m (80") projected image size.
*2 When the Fixed-focus Lens (Model No.: ET-ELW21) is attached, the lens shift is not possible, therefore the height position (H) becomes SH/2.
Chapter 2 Getting Started — Setting up
Standard zoom
ET-ELW22
lens/ET-ELS20
1.93-3.32:1
0.947-1.18:1
Min.
Max.
Min.
Max.
(LW)
(LT)
(LW)
(LT)
1.54
2.67
―
1.94
3.35
―
2.34
4.03
1.14
1.43
2.74
4.71
1.34
1.68
3.14
5.39
1.54
1.92
3.54
6.07
1.74
2.17
3.94
6.75
1.94
2.42
4.74
8.11
2.33
2.91
5.94
10.15
2.93
3.65
7.94
13.55
3.92
4.88
9.94
16.95
4.91
6.11
11.94
20.34
5.91
7.34
13.93
23.74
6.90
8.57
15.93
27.14
7.89
9.80
Standard zoom lens/
ET-ELS20/ET-ELW20/
ET-ELT22/ET-ELT23
Height position (H)
-0.10 - 0.71
-0.13 - 0.89
-0.16 - 1.07
-0.18 - 1.25
-0.21 - 1.43
-0.23 - 1.60
-0.26 - 1.78
-0.31 - 2.14
-0.39 - 2.67
-0.52 - 3.57
-0.65 - 4.46
-0.78 - 5.35
-0.91 - 6.24
-1.04 - 7.13
Zoom Lens
ET-ELW20
ET-ELT22
1.46-2.00:1
3.28-5.39:1
Projection distance (L)
Min.
Max.
Min.
(LW)
(LT)
(LW)
―
1.16
1.60
2.61
―
1.46
2.01
3.29
1.77
2.43
3.97
2.07
2.84
4.65
2.37
3.25
5.33
2.68
3.67
6.01
2.98
4.08
6.69
3.59
4.91
8.05
4.50
6.15
10.09
6.02
8.21
13.49
7.53
10.28
16.90
9.05
12.35
20.30
10.57
14.41
23.70
12.09
16.48
27.10
ET-ELW21
ET-ELW22
*2
―
―
-0.09 - 1.01
-0.11 - 1.17
-0.12 - 1.34
-0.14 - 1.51
-0.15 - 1.68
-0.18 - 2.01
-0.23 - 2.51
-0.30 - 3.35
-0.38 - 4.19
-0.46 - 5.03
-0.53 - 5.87
-0.61 - 6.71
ET-ELT23
5.34-8.56:1
Max.
Min.
Max.
(LT)
(LW)
(LT)
4.33
4.24
6.85
5.43
5.35
8.62
6.54
6.46
10.39
7.65
7.57
12.15
8.76
8.68
13.92
9.87
9.79
15.68
10.98
10.91
17.45
13.20
13.13
20.98
16.53
16.47
26.28
22.08
22.03
35.11
27.62
27.58
43.94
33.17
33.14
52.77
38.72
38.70
61.60
44.27
44.26
70.43
(Fixed)
0.30
0.38
0.46
0.53
0.61
0.69
0.76
0.91
1.14
1.52
1.91
2.29
2.67
3.05
ENGLISH - 39
(Unit: m)
Fixed-
focus
Lens
ET-ELW21
0.922:1
Fixed
0.72
0.91
1.11
1.30
1.50
1.69
1.89
2.28
2.86
3.83
4.80
5.78
6.75
7.72
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