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当屏幕宽高比为 4:3 时
When the screen aspect ratio is 4:3
镜头类型 / Lens type
镜头型号 / Lens model
投射率 / Throw ratio
SD
SH
1.016 (40")
0.610
1.270 (50")
0.762
1.524 (60")
0.914
1.778 (70")
1.067
2.032 (80")
1.219
2.286 (90")
1.372
2.540 (100")
1.524
3.048 (120")
1.829
3.810 (150")
2.286
5.080 (200")
3.048
6.350 (250")
3.810
7.620 (300")
4.572
8.890 (350")
5.334
10.160 (400")
6.096
镜头型号 / Lens model
投影机型号 / Projector model
SD
SH
1.016 (40")
0.610
1.270 (50")
0.762
1.524 (60")
0.914
1.778 (70")
1.067
2.032 (80")
1.219
2.286 (90")
1.372
2.540 (100")
1.524
3.048 (120")
1.829
3.810 (150")
2.286
5.080 (200")
3.048
6.350 (250")
3.810
7.620 (300")
4.572
8.890 (350")
5.334
10.160 (400")
6.096
定焦镜头 /
Fixed focus lens
ET-ELW21C
0.922:1
SW
L （固定值 / Fixed）
0.813
0.72
1.016
0.91
1.219
1.11
1.422
1.30
1.626
1.50
1.829
1.69
2.032
1.89
2.438
2.28
3.048
2.86
4.064
3.83
5.080
4.80
6.096
5.78
7.112
6.75
8.128
7.72
ET-ELW21C
（固定值 / Fixed）
SW
0.813
0.30
1.016
0.38
1.219
0.46
1.422
0.53
1.626
0.61
1.829
0.69
2.032
0.76
2.438
0.91
3.048
1.14
4.064
1.52
5.080
1.91
6.096
2.29
7.112
2.67
8.128
3.05
变焦镜头 / Zoom lens
ET-ELW20C
ET-ELT22C
1.46 - 2.00:1
3.28 - 5.39:1
LW
LT
LW
1.16
1.60
2.61
4.33
1.46
2.01
3.29
5.43
1.77
2.43
3.97
6.54
2.07
2.84
4.65
7.65
2.37
3.25
5.33
8.76
2.68
3.67
6.01
9.87
2.98
4.08
6.69
10.98
3.59
4.91
8.05
13.20
4.50
6.15
10.09
16.53
6.02
8.21
13.49
22.08
7.53
10.28
16.90
27.62
9.05
12.35
20.30
33.17
10.57
14.41
23.70
38.72
12.09
16.48
27.10
44.27
ET-ELW20C / ET-ELT22C / ET-ELT23C
PT-SMZ77C /
PT-SMZ67C /
PT-SMZ57C
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
( 单位 / Unit : m)
ET-ELT23C
5.34 - 8.56:1
LT
LW
LT
4.24
6.85
5.35
8.62
6.46
10.39
7.57
12.15
8.68
13.92
9.79
15.68
10.91
17.45
13.13
20.98
16.47
26.28
22.03
35.11
27.58
43.94
33.14
52.77
38.70
61.60
44.26
70.43
PT-SLZ77C
-0.06 - 0.67
-0.08 - 0.84
-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
5
附表 / Appendix
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