Projection Distances By The Type Of Projection Lenses (Optional) - Panasonic PT-D7500U Operating Instructions Manual

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 pages 19-22.
L : Projection distance
SH : Effective screen height
Projection distances by the type of projection lenses (for PT-D7500U)
• For the screen aspect ratio of 4:3
Screen dimensions
Screen
size
Effective Effective
(inch)
height (SH) width(SW)
1.066 1.422
70
(3'6") (4'8")
1.219 1.625
80
(4'0") (5'4")
1.371 1.828
90
(4'6") (6'0")
1.524 2.032
100
(5'0") (6'8")
1.828 2.438
120
(6'0") (8'0")
150 2.286 3.048
(7'6") (10'0")
4.064
200 3.048
(13'4")
(10'0")
5.080
250 3.810
(16'8")
(12'6")
4.572 6.096
300
(15'0") (20'0")
5.334 7.112
350
(17'6") (23'4")
6.096 8.129
400
(20'0") (26'8")
7.620 10.160
500
(25'0") (33'4")
9.144 12.192
600
(30'0") (40'0")
• 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.
Screen
SH
ET-D75LE1/SC (1.87-2.5 :1) ET-D75LE2/SC(2.5-3.75 :1)
Minimum Maximum Minimum Maximum
2.81 3.74 3.78
(9'3") (12'3") (12'5")
3.22 4.29 4.34
(10'7") (14'1") (14'3")
3.63 4.84 4.89
(11'11") (15'11") (16'1")
4.04 5.39 5.44
(13'3") (17'9") (17'11")
4.87 6.49 6.54
(16'0") (21'4") (21'6")
6.10 8.13 8.20
(20'0") (26'9") (27'0")
8.16 10.88 10.96
(26'10") (35'9") (36'0")
10.22 13.62 13.72
(33'7") (44'10") (45'1")
12.28 16.37 16.48
(40'5") (53'16") (54'2")
14.34 19.11 19.24
(47'2") (62'10") (63'3")
16.40 21.86 22.00
(53'11") (71'11") (72'4")
20.52 27.35 27.52
(67'6") (90'1") (90'6")
24.64 32.84 33.04
(81'0") (108'1") (108'8")
L
Projection distance (L)
Zoom lens
ET-D75LE3/SC(3.75-6.25 :1)
Minimum Maximum
5.68 5.73 9.47
(18'8") (18'10") (31'2")
6.50 6.57 10.84
(21'4") (21'7") (35'8")
7.33 7.40 12.21
(24'11") (24'4") (40'2")
8.15 8.23 13.58
(26'10") (24'1") (44'8")
9.81 9.90 16.32
(32'3") (32'7") (53'8")
12.28 12.40 20.43
(40'5") (40'9") (67'2")
16.41 16.56 27.28
(54'0") (54'6") (89'9")
20.54 20.73 34.13
(67'7") (68'2") (112'3")
24.67 24.89 40.98
(81'2") (81'11") (134'10")
28.80 29.06 47.83
(94'9") (95'7") (157'4")
32.93 33.22 54.68
(108'4") (109'3") (179'11")
41.19 41.55 68.38
(135'6") (136'8") (224'11")
49.45 49.88 82.08
(162'8") (164'1") (270'0")
Units: m (feet/inches)
Fixed-focus lens
ET-D75LE4/SC (6.25-10.0 :1) ET-D75LE5
(1.0 : 1)
Minimum Maximum
9.48 15.45
(31'2") (50'10")
(4'7")
10.85 17.67
(35'8") (58'1")
(5'3")
12.22 19.90
(40'2") (65'5")
(6'0")
13.59 22.12
(44'8") (72'9")
(6'8")
16.33 26.56
(53'9") (87'4")
(8'1")
20.44 33.23
(67'3") (109'3")
(3'6")
27.29 44.34
(89'9") (145'10")
(10'2")
34.14 55.45
(112'3") (182'5")
(17'2")
40.99 66.56
(134'10") (218'11")
(20'8")
47.84 77.67
-----
(157'4") (255'6")
54.69 88.78
-----
(179'11") (292'0")
68.39 111.00
-----
(224'11") (365'1")
82.09 133.22
-----
(270'0") (437'6")
1.40
1.61
1.82
2.04
2.46
3.10
4.16
5.22
6.28
19