Panasonic PT-EW640 Operating Instructions (Functional Manual) page 33

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)
1.02 (40") 0.610 0.813
1.27 (50")
0.762 1.016
1.52 (60") 0.914 1.219
1.78 (70") 1.067 1.422
1.219
2.03 (80") 1.626
2.29 (90") 1.829
1.372
2.54 (100") 1.524
2.032
3.05 (120") 1.829
2.438
3.81 (150")
2.286 3.048
5.08 (200")
3.048 4.064
6.35 (250") 5.080
3.810
4.572 6.096
7.62 (300")
8.89 (350") 5.334
7.112
6.096
10.16 (400") 8.128
*1 The throw ratio is based on the value during projection with the projected image size of 2.03 m (80").
*2 When the ixed-focus lens (Model No.: ET-ELW21) is attached, the lens shift is not possible. The height position (H) becomes SH/2.
For PT-EW640 and PT-EW540
r When the screen aspect ratio is 16:10
Lens type
Projection Lens Model No.
Throw ratio *1
Projected image size
Height Width
Diagonal (SD)
(SH) (SW)
0.538
1.02 (40") 0.862
1.27 (50")
0.673 1.077
1.52 (60") 1.292
0.808
0.942 1.506
1.78 (70")
2.03 (80") 1.077 1.723
2.29 (90") 1.939
1.212
2.54 (100") 2.154
1.346
3.05 (120") 1.615 2.585
3.81 (150") 2.019
3.231
5.08 (200") 2.692
4.308
6.35 (250") 3.365 5.385
4.039
7.62 (300") 6.462
8.89 (350") 7.539
4.712
5.385
10.16 (400") 8.616
*1 The throw ratio is based on the value during projection with the projected image size of 2.03 m (80").
*2 When the ixed-focus lens (Model No.: ET-ELW21) is attached, the lens shift is not possible. The height position (H) becomes SH/2.
Chapter 2 Getting Started — Setting up
Standard Fixed-
Short focus
zoom lens focus
zoom lens
lens
ET-ELW21 ET-ELW20
—
1.5-2.0:1
1.9-3.3:1 0.9:1
Projection distance (L)
Min. Max. Min.
Fixed
(LW) (LT) (LW)
1.54
2.67 0.72 1.16
1.94 3.35 0.91
1.46
2.34 4.03 1.11 1.77
2.74 4.71 1.30 2.07
5.39 1.50
3.14 2.37
3.54 1.69
6.07 2.68
3.94 6.75 1.89 2.98
3.59
4.74 8.11 2.28
5.94 10.15 4.50
2.86
7.94 13.55
3.83 6.02
9.94 16.95 7.53
4.81
11.94 5.78 9.05
20.34
13.93 6.75 10.57
23.74
15.93 12.09
27.14 7.72
Standard Fixed-
Short focus
zoom lens focus
zoom lens
lens
ET-ELW21 ET-ELW20
—
1.7-2.8:1
0.8:1 1.3-1.7:1
Projection distance (L)
Min. Max. Min.
Fixed
(LW) (LT) (LW)
1.38 2.38 0.64 1.03
2.99
1.74 0.81 1.30
2.09 0.99 1.57
3.60
2.45 1.85
4.21 1.16
2.81 4.82 1.33 2.12
5.42 1.51 2.39
3.16
3.52
6.03 1.68 2.66
7.25
4.24 2.03 3.21
5.31 9.07 2.55
4.02
7.09 5.38
12.11 3.42
15.16 4.29
8.88 6.74
5.16
10.67 18.20 8.10
12.45 9.46
21.24 6.03
6.89
14.24 24.28 10.82
Optional lens
Ultra long
Long focus
focus zoom
zoom lens
lens
ET-ELT20 ET-ELT21
3.3-5.4:1 5.4-8.6:1
Max. Min. Max. Min.
(LT) (LW) (LT) (LW)
1.60 2.61 4.33 4.24
3.29 5.43 5.35
2.01
3.97 6.54
2.43 6.46
4.65 7.65 7.57
2.84
3.25 5.33
8.76 8.68
9.87 9.79
3.67 6.01
6.69 10.98 10.91
4.08
4.91 8.05
13.20 13.13
6.15 10.09 16.53
16.47
13.49
8.21 22.08 22.03
16.90 27.58
10.28 27.62
12.35
20.30 33.17 33.14
14.41 23.70 38.72 38.70
16.48 27.10 44.27 44.26
Optional lens
Ultra long
Long focus
focus zoom
zoom lens
lens
ET-ELT20 ET-ELT21
2.8-4.6:1 4.6-7.2:1
Max. Min. Max. Min.
(LT) (LW) (LT) (LW)
3.85
1.42 2.32 3.76
1.79 2.93 4.85
4.76
3.54 5.84 5.75
2.16
2.53 4.15 6.75
6.83
2.90 4.75
7.82 7.74
5.36
3.27 8.81 8.73
5.97 9.80 9.73
3.64
7.19 11.79
4.38 11.72
5.48 9.01
14.76 14.70
12.05 19.72 19.67
7.33
9.17 15.10
24.68 24.64
29.64 29.61
11.02 18.14
34.59 34.58
12.86 21.18
39.55 39.55
14.71 24.22
(Unit: m)
*2
Height position (H)
Standard zoom
lens/ET-ELW20/
ET-ELW21
ET-ELT20/
Max.
ET-ELT21
(LT)
6.85
-0.06 - 0.67 0.30
8.62 -0.08 - 0.84 0.38
10.39 -0.09 - 1.01
0.46
12.15 0.53
-0.11 - 1.17
13.92
-0.12 - 1.34 0.61
15.68 -0.14 - 1.51 0.69
17.45 -0.15 - 1.68
0.76
20.98 0.91
-0.18 - 2.01
-0.23 - 2.51
26.28 1.14
35.11 -0.30 - 3.35 1.52
43.94 -0.38 - 4.19 1.91
52.77 -0.46 - 5.03 2.29
-0.53 - 5.87
61.60 2.67
3.05
70.43 -0.61 - 6.71
(Unit: m)
*2
Height position (H)
Standard zoom
lens/ET-ELW20/
ET-ELW21
ET-ELT20/
Max.
ET-ELT21
(LT)
-0.05 - 0.59
6.10 0.27
7.68 -0.07 - 0.74 0.34
9.26 -0.08 - 0.89
0.40
-0.09 - 1.04
10.84 0.47
0.54
12.42 -0.11 - 1.18
14.00 -0.12 - 1.33 0.61
15.58
-0.13 - 1.48 0.67
18.73 -0.16 - 1.78 0.81
23.47 -0.20 - 2.22 1.01
-0.27 - 2.96 1.35
31.36
39.26
-0.34 - 3.70 1.68
47.15
-0.40 - 4.44 2.02
55.04 -0.47 - 5.18
2.36
62.94 -0.54 - 5.92 2.69
ENGLISH - 33