Panasonic PT-D7700E Operating Instructions Manual page 19
Dlp based projector commercial use
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Also See for PT-D7700E:
- Service manual (132 pages) ,
- Operating instructions manual (106 pages) ,
- Brochure & specs (6 pages)
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Projection distances by the type of projection lenses (optional)
Every type of optional projection lenses has a different projection distance to achieve the same screen size. Select
and purchase a projection lens most suitable to the size of your location referring to the following tables and the
projection distances by the type of projection lenses on the next page.
L
: Projection distance
SH : Effective screen height
Projection distances by the type of projection lenses (for PT-D7700E)
• For the screen aspect ratio of 4:3
Screen
dimensions
Screen
size
Effective
Effective
(inch)
height
width
(SH)
(SW)
Minimum Maximum
70
1.066
1.422
80
1.219
1.625
90
1.371
1.828
100
1.524
2.032
120
1.828
2.438
150
2.286
3.048
200
3.048
4.064
250
3.810
5.080
300
4.572
6.096
350
5.334
7.112
400
6.096
8.129
500
7.620
10.160
600
9.144
12.192
• For the screen aspect ratio of 16:9
Screen
dimensions
Screen
size
Effective
Effective
(inch)
height
width
(SH)
(SW)
Minimum Maximum
70
0.871
1.549
80
0.996
1.771
90
1.120
1.992
100
1.245
2.214
120
1.494
2.657
150
1.868
3.321
200
2.491
4.428
250
3.113
5.535
300
3.736
6.641
350
4.358
7.748
400
4.981
8.855
500
6.226
11.069
600
7.472
13.282
Note
• The projection distances listed here involve an error of ±5%.
• Keystone distortions are corrected in the way the screen size becomes smaller than the original one.
Screen
SH
ET-D75LE1
ET-D75LE2
(2.0-3.0 :1)
(1.5-2.0 :1)
Minimum Maximum
2.07
2.77
2.80
4.21
2.38
3.18
3.21
4.83
2.68
3.59
3.62
5.45
2.99
4.00
4.04
6.07
3.60
4.82
4.86
7.30
4.53
6.05
6.09
9.15
6.06
8.10
8.15
12.24
7.59
10.15
10.21
15.33
9.13
12.19
12.27
18.41
10.66
14.24
14.32
21.50
12.19
16.29
16.38
24.58
15.26
20.39
20.50
30.76
18.33
24.49
24.61
36.93
ET-D75LE1
ET-D75LE2
(2.0-3.0 :1)
(1.5-2.0 :1)
Minimum Maximum
2.26
3.03
3.06
4.60
2.60
3.47
3.51
5.27
2.93
3.92
3.96
5.95
3.27
4.36
4.40
6.62
3.93
5.26
5.30
7.96
4.94
6.60
6.65
9.98
6.61
8.83
8.89
13.34
8.28
11.06
11.13
16.70
9.95
13.29
13.37
20.07
11.62
15.53
15.61
23.43
13.29
17.76
17.85
26.79
16.63
22.22
22.33
33.51
19.97
26.69
26.82
40.24
L
Projection distance (L)
Zoom lens
ET-D75LE3
ET-D75LE4
(3.0-5.0 :1)
(5.0-8.0 :1)
Minimum Maximum
Minimum Maximum
4.23
7.09
7.10
4.84
8.13
8.13
5.46
9.16
9.16
6.08
10.19
10.19
7.31
12.25
12.26
9.16
15.34
15.35
12.25
20.50
20.50
15.34
25.65
25.66
18.42
30.81
30.81
21.51
35.96
35.97
24.60
41.12
41.12
30.77
51.42
51.43
36.94
61.73
61.74
Projection distance (L)
Zoom lens
ET-D75LE3
ET-D75LE4
(3.0-5.0 :1)
(5.0-8.0 :1)
Minimum Maximum
Minimum Maximum
4.61
7.74
7.75
5.28
8.86
8.87
5.96
9.99
9.99
6.63
11.11
11.11
7.97
13.35
13.36
9.99
16.72
16.73
13.35
22.34
22.34
16.71
27.95
27.96
20.08
33.57
33.57
23.44
39.18
39.19
26.80
44.80
44.80
33.53
56.03
56.03
40.25
67.26
67.26
107.04
Units: m
Fixed-
focus lens
ET-D75LE8
(8.0-15.0 :1)
ET-D75LE5
(0.8 : 1)
Minimum Maximum
11.37
11.09
21.14
13.01
12.73
24.22
14.65
14.37
27.29
16.29
16.01
30.36
19.57
19.29
36.50
24.49
24.21
45.72
32.69
32.40
61.08
40.88
40.60
76.44
49.08
48.80
91.79
57.28
57.00
107.15
65.47
65.19
122.51
81.87
81.59
153.23
98.26
97.98
183.95
Units: m
Fixed-
focus lens
ET-D75LE8
(8.0-15.0 :1)
ET-D75LE5
(0.8 : 1)
Minimum Maximum
12.40
12.12
23.06
14.19
13.90
26.41
15.97
15.69
29.76
17.76
17.47
33.10
21.33
21.05
39.79
26.69
26.40
49.83
35.61
35.33
66.56
44.54
44.26
83.29
53.47
53.19
100.02
62.40
62.12
116.75
71.33
71.05
133.49
89.19
88.91
166.95
106.77
200.41
1.02
1.18
1.34
1.50
1.81
2.29
3.08
3.87
4.66
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1.12
1.29
1.47
1.64
1.98
2.50
3.36
4.22
5.08
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19
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