1.02
1.27
1.52
1.78
2.03
2.29
2.54
3.05
3.81
5.08
6.35
8.89
10.16
Screen size
(diagonal)
min. max. min.max
Zoom
Zoom
lenses
Fixed-focus
Fixed-
focus
lens
Distance to screen (L) Height from the edge
of screen to
center of lens (H)
min. max.
Supplied lens
min.[m] [in] max.
ET-ELW20
Zoom lens
ET-ELT20
Zoom lens
ET-ELT21
Zoom lens
ET-ELW21
Fixed-focus
lens
40
50
60
70
80
90
100
120
150
200
250
350
400
/
/
/
/
/
/
/
/
/
/
/
/
/
–
–
–
–
–
–
–
–
–
–
–
–
–
1.03
1.30
1.57
1.85
2.12
2.39
2.66
3.21
4.02
5.38
6.74
8.10
9.46
10.82
1.42
1.79
2.16
2.53
2.90
3.27
3.64
4.38
5.48
7.33
9.17
11.02
12.86
14.71
1.38
1.74
2.09
2.45
2.81
3.16
3.52
4.24
5.31
7.09
8.88
10.67
12.45
14.24
2.38
2.99
3.60
4.21
4.82
5.42
6.03
7.25
9.07
12.11
15.16
18.20
21.24
24.28
2.32
2.93
3.54
4.15
4.75
5.36
5.97
7.19
9.01
12.05
15.10
18.14
21.18
24.22
3.85
4.85
5.84
6.83
7.82
8.81
9.80
11.79
14.76
19.72
24.68
29.64
34.59
39.55
3.76
4.76
5.75
6.75
7.74
8.73
9.73
11.72
14.70
19.67
24.64
29.61
34.58
39.55
6.10
7.68
9.26
10.84
12.42
14.00
15.58
18.73
23.47
31.36
39.26
47.15
55.04
62.94
0.64
0.81
0.99
1.16
1.33
1.51
1.68
2.03
2.55
3.42
4.29
5.16
6.03
6.89
-0.05
-0.07
-0.08
-0.09
-0.11
-0.12
-0.13
-0.16
-0.20
-0.27
-0.34
-0.40
-0.47
-0.54
0.59
0.74
0.89
1.04
1.18
1.33
1.48
1.78
2.22
2.96
3.70
4.44
5.18
5.92
0.27
0.34
0.40
0.47
0.54
0.61
0.67
0.81
1.01
1.35
1.68
2.02
2.36
2.69
3.4
4.3
5.2
6.1
6.9
7.8
8.7
10.5
13.2
17.7
22.1
26.6
31.0
35.5
4.7
5.9
7.1
8.3
9.5
10.7
11.9
14.4
18.0
24.0
30.1
36.2
42.2
48.3
4.5
5.7
6.9
8.0
9.2
10.4
11.6
13.9
17.4
23.3
29.1
35.0
40.8
46.7
7.8
9.8
11.8
13.8
15.8
17.8
19.8
23.8
29.8
39.7
49.7
59.7
69.7
79.6
7.6
9.6
11.6
13.6
15.6
17.6
19.6
23.6
29.6
39.5
49.5
59.5
69.5
79.5
12.6
15.9
19.2
22.4
25.7
28.9
32.2
38.7
48.4
64.7
81.0
97.2
113.5
129.8
12.3
15.6
18.9
22.1
25.4
28.7
31.9
38.4
48.2
64.5
80.8
97.1
113.5
129.8
20.0
25.2
30.4
35.6
40.7
45.9
51.1
61.5
77.0
102.9
128.8
154.7
180.6
206.5
2.1
2.7
3.2
3.8
4.4
4.9
5.5
6.7
8.4
11.2
14.1
16.9
19.8
22.6
-0.2
-0.2
-0.3
-0.3
-0.4
-0.4
-0.4
-0.5
-0.7
-0.9
-1.1
-1.3
-1.5
-1.8
1.9
2.4
2.9
3.4
3.9
4.4
4.9
5.8
7.3
9.7
12.1
14.6
17.0
19.4
0.9
1.1
1.3
1.5
1.8
2.0
2.2
2.6
3.3
4.4
5.5
6.6
7.7
8.8
7.62
300/
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
1.02
1.27
1.52
1.78
2.03
2.29
2.54
3.05
3.81
5.08
6.35
8.89
10.16
Screen size
(diagonal)
min. max. min.max
Zoom
Zoom
lenses
Fixed-focus
Fixed-
focus
lens
Distance to screen (L) Height from the edge
of screen to
center of lens (H)
min. max.
Supplied lens
min.[m] [in] max.
ET-ELW20
Zoom lens
ET-ELT20
Zoom lens
ET-ELT21
Zoom lens
ET-ELW21
Fixed-focus
lens
40
50
60
70
80
90
100
120
150
200
250
350
400
/
/
/
/
/
/
/
/
/
/
/
/
/
7.62 300/
Unit: feet
Unit: meters
• The value for L (distance to screen) varies slightly within ±5% depending on the zoom lens characteristics.
• The zoom lens characteristics may cause slight image distortion.
• When vertical keystone correction is used, the image is corrected in the direction that reduces its projected size.
• The brightness varies depending on the zoom setting.
Note: When the fixed-focus lens ET-ELW21 is mounted, the optical lens shift function cannot be used.
Projection distance for 16:10 aspect ratio screen
PT-EW730Z/EW730ZL
LCD Projectors
As of October 2013 7/17
(100 pages)
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