Panasonic PT-D7700 Operating Instructions Manual page 21

Projection distances by the type of projection lenses (for PT-DW7000U)
• For the screen aspect ratio of 16:9
Screen
dimensions
Screen
size
Effective
Effective
(inch)
height
width
(SH)
(SW)
70 0.871 1.549
(2'10") (5'1")
80 0.996 1.771
(3'3") (5'10")
1.120 1.992
90
(3'8") (6'7")
1.245 2.214
100
(4'1") (7'3")
1.494 2.657
120
(4'11") (8'9")
150 1.868 3.321
(6'2") (10'11")
2.491 4.428
200
(8'2") (14'6")
3.113 5.535
250
(10'3") (18'2")
3.736 6.641
300
(12'3") (21'70")
4.358 7.748
350
(14'4") (25'5")
400 4.981 8.855
(16'4") (29'0")
6.226 11.069
500
(20'5") (36'4")
7.472 13.282
600
(24'7") (43'8")
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
ET-D75LE2
(2.0-3.0 :1)
(1.5-2.0 :1)
Minimum Maximum Minimum Maximum
2.32 3.10 3.14
(7'7'') (10'2'') (10'3'')
2.66 3.56 3.60
(8'8'') (11'8'') (11'9'')
3.01 4.02 4.06
(9'10'') (13'2'') (13'3'')
3.35 4.48 4.52
(10'11'') (14'8'') (14'9'')
4.04 5.39 5.44
(13'3'') (17'8'') (17'10'')
5.06 6.77 6.81
(16'7'') (22'2'') (22'4'')
6.78 9.05 9.11
(22'2'') (29'8'') (29'10'')
8.49 11.34 11.41
(27'10'') (37'2'') (37'5'')
10.20 13.63 13.71
(33'5'') (44'8'') (44'11'')
11.91 15.92 16.01
(39') (52'2'') (52'6'')
13.63 18.21 18.30
(44'8'') (59'8'') (60')
17.05 22.78 22.90
(55'11'') (74'8'') (75'1'')
20.48 27.36 27.49
(67'2'') (89'9'') (90'2'')
Projection distance (L)
Zoom lens
ET-D75LE3
(3.0-5.0 :1)
Minimum Maximum
4.72 4.73 7.94
(15'5'') (15'6'') (26')
5.41 5.42 9.09
(17'8'') (17'9'') (29'9'')
6.10 6.11 10.24
(20') (20') (33'7'')
6.79 6.80 11.39
(22'3'') (22'3'') (37'4'')
8.17 8.18 13.69
(26'9'') (26'10'') (44'10'')
10.23 10.24 17.15
(33'6'') (33'7'') (56'3'')
13.68 13.69 22.90
(44'10'') (44'10'') (75'1'')
17.13 17.14 28.66
(56'2'') (56'2'') (94')
20.57 20.58 34.42
(67'5'') (67'6'') (112'11'')
24.02 24.03 40.17
(78'9'') (78'10'') (131'9'')
27.47 27.48 45.93
(90'1'') (90'1'') (150'8'')
34.36 34.37 57.44
(112'8'') (112'9'') (188'5'')
41.25 41.26 68.95
(135'4'') (135'4'') (226'2'')
Units: m (feet/inches)
ET-D75LE4 ET-D75LE8
(5.0-8.0 :1) (8.0-15.0 :1)
Minimum Maximum Minimum Maximum
7.94 12.71 12.43
(26') (41'8'') (40'9'')
9.09 14.54 14.26
(29'9'') (47'8'') (46'9'')
10.25 16.38 16.09
(33'7'') (53'8'') (52'9'')
11.40 18.21 17.92
(37'4'') (59'8'') (58'9'')
13.70 21.87 21.58
(44'11'') (71'9'') (70'9'')
17.15 27.36 27.08
(56'3'') (89'9'') (88'10'')
22.91 36.51 36.23
(75'1'') (119'9'') (118'10'')
28.67 45.67 45.39
(94') (149'10'') (148'11'')
34.42 54.82 54.54
(112'11'') (179'10'') (178'11'')
40.18 63.97 63.69
(131'9'') (209'10'') (208'11'')
45.93 73.13 72.85
(150'8'') (239'11'') (239')
57.45 91.43 91.16
(188'5'') (299'11'') (299')
68.96 109.74 109.47
(226'2'') (360') (359'1'')
Fixed-
focus lens
ET-D75LE5
(0.8 : 1)
23.65 1.15
(77'7'') (3'9'')
27.08 1.33
(88'10'') (4'4'')
30.51 1.50
(100'1'') (4'11'')
33.94 1.68
(111'4'') (5'6'')
40.80 2.03
(133'10'') (6'7'')
51.10 2.56
(167'7'') (8'4'')
68.25 3.45
(223'11'') (11'3'')
85.40 4.33
(280'2'') (14'2'')
102.55 5.21
(336'5'') (17'1'')
119.70
(392'8'') -----
136.85
(448'11'') -----
171.16
(561'6'') -----
205.46
(674') -----
21