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Chapter 2 Getting Started — Setting up
ENGLISH - 37
r When the screen aspect ratio is 16:9
(Unit: m)
Lens type
Standard
zoom lens
Optional lens
Height position (H)
*2
Fixed-
focus
lens
Short focus
zoom lens
Long focus
zoom lens
Ultra long
focus zoom
lens
Projection Lens Model No. —
ET-ELW21
ET-ELW20 ET-ELT20 ET-ELT21
Standard zoom
lens/ET-ELW20/
ET-ELT20/
ET-ELT21
ET-ELW21
(Fixed)
Throw ratio
*1
1.7-2.8:1 0.8:1 1.3-1.7:1 2.8-4.6:1 4.6-7.2:1
Projected image size Projection distance (L)
Diagonal (SD)
Height
(SH)
Width
(SW)
Min.
(LW)
Max.
(LT)
Fixed
Min.
(LW)
Max.
(LT)
Min.
(LW)
Max.
(LT)
Min.
(LW)
Max.
(LT)
1.02 (40") 0.498 0.886 1.42 2.45 0.66 1.06 1.46 2.39 3.96 3.87 6.28
-
0.05 - 0.55 0.25
1.27 (50") 0.623 1.107 1.79 3.08 0.84 1.34 1.84 3.01 4.98 4.90 7.90
-
0.06 - 0.68 0.31
1.52 (60") 0.747 1.328 2.15 3.70 1.01 1.62 2.22 3.64 6.00 5.92 9.52
-
0.07 - 0.82 0.37
1.78 (70") 0.872 1.550 2.52 4.33 1.19 1.90 2.60 4.26 7.02 6.94 11.15
-
0.09 - 0.96 0.44
2.03 (80") 0.996 1.771 2.89 4.95 1.37 2.18 2.98 4.89 8.04 7.96 12.77
-
0.10 - 1.10 0.50
2.29 (90") 1.121 1.992 3.25 5.58 1.55 2.46 3.36 5.51 9.06 8.98 14.39
-
0.11 - 1.23 0.56
2.54 (100") 1.245 2.214 3.62 6.20 1.73 2.74 3.74 6.14 10.08 10.00 16.01
-
0.12 - 1.37 0.62
3.05 (120") 1.494 2.657 4.35 7.45 2.09 3.30 4.50 7.39 12.12 12.05 19.26
-
0.15 - 1.64 0.75
3.81 (150") 1.868 3.321 5.46 9.33 2.62 4.14 5.64 9.27 15.18 15.11 24.13
-
0.19 - 2.05 0.93
5.08 (200") 2.491 4.428 7.29 12.45 3.52 5.53 7.53 12.39 20.27 20.22 32.24
-
0.25 - 2.74 1.25
6.35 (250") 3.113 5.535 9.13 15.58 4.41 6.93 9.43 15.52 25.37 25.33 40.35
-
0.31 - 3.42 1.56
7.62 (300") 3.736 6.641 10.96 18.70 5.30 8.33 11.33 18.64 30.46 30.44 48.47
-
0.37 - 4.11 1.87
8.89 (350") 4.358 7.748 12.80 21.83 6.19 9.72 13.22 21.77 35.56 35.55 56.58
-
0.44 - 4.79 2.18
10.16 (400") 4.981 8.855 14.63 24.95 7.09 11.12 15.12 24.90 40.66 40.66 64.69
-
0.50 - 5.48 2.49
*1 The throw ratio is based on the value during projection with the projected image size of 2.03 m (80").
*2 When the xed-focus lens (Model No.: ET-ELW21) is attached, the lens shift is not possible. The height position (H) becomes SH/2.
r When the screen aspect ratio is 4:3
(Unit: m)
Lens type
Standard
zoom lens
Optional lens
Height position (H)
*2
Fixed-
focus
lens
Short focus
zoom lens
Long focus
zoom lens
Ultra long
focus zoom
lens
Projection Lens Model No. —
ET-ELW21
ET-ELW20 ET-ELT20 ET-ELT21
Standard zoom
lens/ET-ELW20/
ET-ELT20/
ET-ELT21
ET-ELW21
(Fixed)
Throw ratio
*1
2.0-3.4:1 0.9:1 1.5-2.0:1 3.3-5.5:1 5.4-8.7:1
Projected image size Projection distance (L)
Diagonal (SD)
Height
(SH)
Width
(SW)
Min.
(LW)
Max.
(LT)
Fixed
Min.
(LW)
Max.
(LT)
Min.
(LW)
Max.
(LT)
Min.
(LW)
Max.
(LT)
1.02 (40") 0.610 0.813 1.57 2.70 0.73 1.18 1.62 2.64 4.38 4.29 6.94 0.06 - 0.67 0.30
1.27 (50") 0.762 1.016 1.97 3.39 0.93 1.48 2.04 3.33 5.50 5.41 8.73 0.08 - 0.84 0.38
1.52 (60") 0.914 1.219 2.38 4.08 1.12 1.79 2.45 4.02 6.62 6.54 10.51 0.09 - 1.01 0.46
1.78 (70") 1.067 1.422 2.78 4.77 1.32 2.10 2.87 4.71 7.75 7.67 12.30 0.11 - 1.17 0.53
2.03 (80") 1.219 1.626 3.18 5.46 1.52 2.41 3.29 5.40 8.87 8.79 14.09 0.12 - 1.34 0.61
2.29 (90") 1.372 1.829 3.59 6.15 1.71 2.71 3.71 6.08 9.99 9.92 15.87 0.14 - 1.51 0.69
2.54 (100") 1.524 2.032 3.99 6.84 1.91 3.02 4.12 6.77 11.11 11.04 17.66 0.15 - 1.68 0.76
3.05 (120") 1.829 2.438 4.80 8.21 2.30 3.64 4.96 8.15 13.36 13.29 21.24 0.18 - 2.01 0.91
3.81 (150") 2.286 3.048 6.01 10.28 2.89 4.56 6.21 10.22 16.73 16.67 26.60 0.23 - 2.51 1.14
5.08 (200") 3.048 4.064 8.04 13.72 3.88 6.10 8.30 13.66 22.34 22.30 35.53 0.30 - 3.35 1.52
6.35 (250") 3.810 5.080 10.06 17.16 4.86 7.64 10.39 17.10 27.95 27.92 44.47 0.38 - 4.19 1.91
7.62 (300") 4.572 6.096 12.08 20.61 5.85 9.18 12.48 20.55 33.57 33.55 53.40 0.46 - 5.03 2.29
8.89 (350") 5.334 7.112 14.10 24.05 6.83 10.72 14.57 23.99 39.18 39.18 62.34 0.53 - 5.87 2.67
10.16 (400") 6.096 8.128 16.12 27.49 7.81 12.25 16.66 27.43 44.79 44.80 71.28 0.61 - 6.71 3.05
*1 The throw ratio is based on the value during projection with the projected image size of 2.03 m (80").
*2 When the xed-focus lens (Model No.: ET-ELW21) is attached, the lens shift is not possible. The height position (H) becomes SH/2.