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Installation
Projection distances by the type of projection lenses (for PT-D7600U)
• For the screen aspect ratio of 16:9
Screen dimensions
Screen
size
Effective
Effective
(inch)
height (SH)
width(SW)
70
0.871
(2'10")
80
0.996
(3'3")
90
1.120
(3'8")
100
1.245
(4'1")
120
1.494
(4'11")
150
1.868
(6'2")
200
2.491
(8'2")
250
3.113
(10'3")
300
3.736
(12'3")
350
4.358
(14'4")
400
4.981
(16'4")
500
6.226
(20'5")
600
7.472
(24'7")
• The projection distances listed here involve an error of ±5%.
Note
• Keystone distortions are corrected in the way the screen size becomes smaller than the original one.
22
ET-D75LE1/SC (1.5-2.0 : 1)
Minimum Maximum
1.549
2.428
3.238
(5'1")
(8'0")
(10'8")
1.771
2.785
3.715
(5'10")
(9'2")
(12'3")
1.992
3.143
4.192
(6'7")
(10'4")
(13'10")
2.214
3.501
4.669
(7'3")
(11'6")
(15'4")
2.657
4.216
5.623
(8'4")
(13'11")
(18'6")
3.321
5.290
7.054
(10'11")
(17'5")
(23'2")
4.428
7.078
9.439
(14'6")
(23'3")
(31'1")
5.535
8.867
11.824
(18'2")
(29'2")
(38'11")
6.641
10.656
14.209
(21'10")
(35'1")
(46'9")
7.748
12.444
16.594
(25'5")
(41'0")
(54'7")
8.855
14.233
18.979
(29'0")
(46'10")
(62'5")
11.069
17.811
23.749
(36'4")
(58'7")
(78'1")
13.282
21.388
28.519
(43'8")
(70'4")
(93'10")
Projection distance (L)
Zoom lens
ET-D75LE2/SC (2.0-3.0 :1)
ET-D75LE3/SC (3.0-5.0 :1)
Minimum Maximum
Minimum Maximum
3.273
4.934
4.944
(10'9")
(16'3")
(16'3")
3.752
5.654
5.664
(12'4")
(18'7")
(18'8")
4.231
6.374
6.386
(14'0")
(21'0")
(21'0")
4.711
7.094
7.105
(15'6")
(23'4")
(23'5")
5.669
8.534
8.545
(18'8")
(28'1")
(28'1")
7.106
10.695
10.705
(23'4")
(35'2")
(35'1")
9.501
14.295
14.306
(31'3")
(47'0")
(47'1")
11.896
17.896
17.906
(39'2")
(58'10")
(58'11")
14.291
21.496
21.507
(47'1")
(70'9")
(70'9")
16.686
25.097
25.107
(54'11")
(82'7")
(82'7")
19.082
28.697
28.708
(62'9")
(94'5")
(94'5")
23.872
35.898
35.909
(78'6")
(118'1")
(118'2")
28.662
43.099
43.110
(94'3")
(141'10")
(191'10")
Units: m (feet/inches)
ET-D75LE4/SC (5.0-8.0 :1) ET-D75LE5
Minimum Maximum
8.279
8.285
13.368
(27'3")
(27'3")
(44'0")
9.479
9.485
15.293
(31'2")
(31'3")
(50'4")
10.680
10.685
17.217
(35'2")
(35'2")
(56'8")
11.880
11.886
19.142
(39'1")
(39'1")
(63'0")
14.280
14.286
22.990
(47'0")
(47'0")
(75'8")
17.881
17.886
28.764
(58'10")
(58'10")
(94'8")
23.882
23.887
38.386
(78'7")
(78'7")
(126'3")
29.882
29.888
48.009
(98'4")
(98'4")
(157'11")
35.883
35.889
57.630
(118'0")
(118'1")
(189'7")
41.884
41.890
67.252
(137'10")
(137'10")
(221'3")
47.885
47.891
76.874
(157'6")
(157'7")
(252'11")
59.893
59.893
96.118
(197'0")
(197'0")
(316'2")
71.894
71.894
115.362
(236'6")
(236'6")
(379'6")
Fixed-focus lens
(0.8 : 1)
1.263
(4'2")
1.444
(4'9")
1.624
(5'7")
1.805
(5'11")
2.167
(7'1")
2.710
(8'11")
3.614
(11'11")
4.519
(14'11")
5.423
(17'10")
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