Panasonic PT-D7500U Operating Instructions Manual page 20

Installation
Projection distances by the type of projection lenses (for PT-D7500U)
• For the screen aspect ratio of 16:9
Screen dimensions
Screen
size
Effective Effective
(inch)
height (SH) width(SW)
0.871
70
(2'10")
0.996
80
(3'3")
1.120
90
(3'8")
1.245
100
(4'1")
1.494
120
(4'11")
1.868
150
(6'2") (10'11")
2.491
200
(8'2")
3.113
250
(10'3")
3.736
300
(12'3") (21'70")
4.358
350
(14'4")
4.981
400
(16'4")
6.226
500
(20'5")
7.472
600
(24'7")
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.
20
ET-D75LE1/SC(1.87-2.5 :1)
Minimum Maximum
1.549
3.062 4.090
(5'1")
(10'1") (13'5")
1.771
3.510 4.688
(5'10")
(11'6") (15'5")
1.992
3.959 5.287
(6'7")
(13'0") (17'4")
2.214
4.407 5.885
(7'3")
(14'6") (19'4")
2.657
5.304 7.083
(8'9")
(17'5") (23'3")
3.321
6.649 8.878
(21'10") (29'2")
4.428
8.890 11.871
(14'6")
(29'37") (39'0")
5.535
11.132 14.865
(18'2")
(36'7") (48'11")
6.641
13.374 17.858
(44'0") (58'9")
7.748
15.616 20.851
(25'5")
(51'4") (68'7")
8.855
17.857 23.844
(29'0")
(58'9") (78'5")
11.069
22.341 29.830
(36'4")
(73'6") (98'0")
13.282
26.824 35.816
(43'8")
(88'3") (117'10")
Projection distance (L)
Zoom lens
ET-D75LE2/SC(2.5-3.75 :1) ET-D75LE3/SC(3.75-6.25 :1)
Minimum Maximum Minimum Maximum
4.133
6.196
6.258
(13'7")
(20'4")
(20'7")
4.735
7.097
7.166
(15'7")
(23'4")
(23'7")
5.337
7.997
8.074
(17'7")
(26'3")
(26'7")
5.939
8.897
8.982
(19'6")
(29'6")
(29'6")
7.143
10.698 10.798
(23'6")
(35'2") (35'6")
8.949
13.399 13.522
(29'5")
(44'1") (44'6")
11.958 17.901
18.081
(39'4") (58'11")
(59'6")
14.968 22.403
22.601
(49'3") (73'8")
(74'4")
17.979 26.905
27.140
(59'11") (88'6")
(89'3")
20.987 31.407
31.680
(69'0") (103'4")
(104'2")
23.997 35.909
36.219
(78'11") (118'11")
(119'1")
30.018 44.913
45.298
(98'9") (147'11")
(149'0")
36.035
53.917
54.377
(118'6")
(177'4")
(178'11")
Units: m (feet/inches)
ET-D75LE4/SC(6.25-10.0 :1) ET-D75LE5
Minimum Maximum
10.326
10.332 16.845
(34'0")
(34'0") (55'5")
11.819 11.824
19.266
(38'11") (38'11")
(63'4")
13.311 13.317
21.687
(43'9") (43'10")
(71'4")
14.804 14.809
24.108
(48'8") (48'9")
(79'3")
17.788 17.794
28.950
(58'6") (58'6")
(95'2")
22.266 22.271
36.213
(73'3") (73'3")
(119'1")
29.728 29.734
48.318
(97'10") (97'10")
(158'11")
37.190 37.196
60.424
(122'4") (122'4")
(198'9")
44.652 44.658
72.529
(146'11") (146'11")
(238'7")
52.114 52.120 84.634
(171'5") (171'5") (278'5")
59.577
59.582 96.740
(196'0")
(196'0") (318'2")
74.501
74.507 120.950
(245'1")
(245'1") (397'10")
89.425
89.431 145.161
(294'2")
(294'2") (477'16")
Fixed-focus lens
(1.0 : 1)
1.535
(5'1")
1.766
(5'10")
1.998
(6'7")
2.229
(7'4")
2.692
(8'10")
3.386
(11'2")
4.542
(14'11")
5.699
(18'19")
6.855
(22'7")
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