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Projection distances by the type of projection lenses (for PT-D7600U)
• For the screen aspect ratio of 5:4
Screen dimensions
Screen
size
Effective
Effective
(inch)
height (SH)
width(SW)
70
1.111
1.389
(3'8")
(4'7")
80
1.270
1.587
(4'2")
(5'3")
90
1.428
1.785
(4'4")
(5'11")
100
1.587
1.984
(5'3")
(6'6")
120
1.905
2.381
(6'3")
(7'10")
150
2.381
2.976
(7'10")
(9'10")
200
3.175
3.968
(10'5")
(13'1")
250
3.968
4.960
(13'1")
(16'4")
300
4.762
5.953
(15'8")
(19'7")
350
5.556
6.945
(18'3")
(22'10")
400
6.350
7.937
(20'11")
(26'1")
500
7.937
9.921
(26'1")
(32'8")
600
9.520
11.906
(31'4")
(39'2")
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.
ET-D75LE1/SC (1.5-2.0 :1)
ET-D75LE2/SC (2.0-3.0 : 1)
Minimum Maximum
Minimum Maximum
2.17
2.89
(7'2")
(9'6")
(9'7")
2.49
3.32
(8'2")
(10'11")
(11'0")
2.81
3.74
(9'3")
(12'4")
(12'5")
3.13
4.17
(10'4")
(13'9")
(13'10")
3.78
5.02
(11'1")
(16'6")
(16'8")
4.74
6.30
(15'7")
(20'9")
(20'11")
6.34
8.44
(20'10")
(27'9")
(28'0")
7.95
10.57
10.65
(26'2")
(34'9")
(35'0")
9.55
12.71
12.79
(31'5")
(41'10")
(42'1")
11.16
14.84
14.94
(36'9")
(48'10")
(49'2")
12.76
16.98
17.08
(42'0")
(55'10")
(56'2")
15.97
21.25
21.37
(52'7")
(69'11")
(70'4")
19.18
25.52
25.66
(63'1")
(83'11")
(84'5")
Projection distance (L)
Zoom lens
ET-D75LE3/SC (3.0-5.0 :1)
Minimum Maximum
2.92
4.41
4.42
(14'6")
(14'6")
3.35
5.05
5.06
(16'7")
(16'7")
3.78
5.70
5.71
(18'9")
(18'9")
4.21
6.34
6.35
(20'10")
(20'10")
5.07
7.63
7.64
(25'1")
(25'2")
6.36
9.57
9.58
(31'6")
(31'6")
8.50
12.79
12.80
(42'1")
(42'1")
16.02
16.03
(52'8")
(52'8")
19.24
19.25
(63'3")
(63'4")
22.47
22.48
(73'11")
(74'0")
25.69
25.70
(84'6")
(84'7")
32.14
32.15
(105'9")
(105'10")
38.59
38.60
(126'11")
(127'0")
Units: m (feet/inches)
ET-D75LE4/SC(5.0-8.0 :1) ET-D75LE5
Minimum Maximum
7.40
7.41
11.97
(24'4")
(24'5")
(39'4")
8.48
8.48
13.69
(27'11")
(27'11")
(45'0")
9.55
9.56
15.41
(31'5")
(31'5")
(50'7")
10.63
10.63
17.14
(35'0")
(35'0")
(56'5")
12.78
12.78
20.59
(42'0")
(42'0")
(67'9")
16.00
16.01
25.70
(52'8")
(52'8")
(84'7")
21.38
21.38
34.38
(70'4")
(70'4")
(113'1")
26.75
26.76
43.00
(88'0")
(88'0")
(141'5")
32.13
32.13
51.62
(105'8")
(105'8")
(169'10")
37.50
37.51
60.24
(123'4")
(123'4")
(198'2")
42.88
42.88
68.86
(141'1")
(141'1")
(226'6")
53.63
53.63
86.10
(176'5")
(176'5")
(283'3")
64.38
64.38
103.34
(211'10")
(211'10")
(339'11")
Fixed-focus lens
(0.8 : 1)
1.13
(3'9")
1.29
(4'3")
1.45
(4'9")
1.62
(5'4")
1.94
(6'5")
2.43
(8'0")
3.24
(10'8")
4.05
(13'4")
4.86
(16'0")
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