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7
Refer to the illustrations and tables below to determine the screen size and
projection distance.
Adjusting the Screen Size and Projection Distance
Top view
a
c
b
Lens center
The screen
Side view
Top view
a
c
b
Lens center
The screen
Side view
If 4:3 aspect ratio
If 16:9 aspect ratio
4
3
9
16
The values shown in the table are calculated for a full size screen
a:Distance from the projector to the screen (±10%)
b:Distance from the lens center to the bottom of the screen (±10%)
c:Distance from the lens center to the top of the screen (±10%)
Screen Size [inch (m)]
a [inch (m)]
b
[inch (cm)]
c
[inch (cm)]
Min. Max.
30 (0.8) 42 (1.1) 56 (1.4) 1 (2) 17 (44)
40 (1.0) 57 (1.4) 75 (1.9) 1 (3) 23 (58)
50 (1.3) 72 (1.8) 94 (2.4) 1 (4) 29 (73)
60 (1.5) 87 (2.2)
113 (2.9)
2 (4) 34 (87)
70 (1.8)
102
(2.6)
133 (3.4)
2 (5) 40 (102)
80 (2.0)
117
(3.0)
152 (3.9)
2 (6) 46 (116)
90 (2.3)
131 (3.3) 171 (4.3)
3 (7) 51 (131)
100 (2.5)
146 (3.7) 190 (4.8)
3 (7) 57 (145)
120 (3.0)
176 (4.5) 229 (5.8)
3 (9) 69 (174)
150 (3.8)
221 (5.6) 287 (7.3)
4 (11) 86 (218)
200 (5.0)
296 (7.5) 383 (9.7)
6 (15)
114 (290)
250 (6.3)
371 (9.4)
479 (12.2)
7 (18)
143 (363)
300 (7.5)
446 (11.3)
576 (14.6)
9 (22)
171 (435)
Screen Size [inch (m)]
a [inch (m)]
b
[inch (cm)]
c
[inch (cm)]
Min. Max.
30 (0.8) 45 (1.2) 61 (1.5) 1 (4) 16 (41)
40 (1.0) 62 (1.6) 81 (2.1) 2 (5) 21 (54)
50 (1.3) 78 (2.0)
102 (2.6)
2 (6) 26 (67)
60 (1.5) 94 (2.4)
123 (3.1)
3 (7) 31 (79)
70 (1.8)
111 (2.8)
144 (3.7)
3 (8) 36 (92)
80 (2.0)
127 (3.2) 165 (4.2)
4 (9) 41 (105)
90 (2.3)
143 (3.6) 186 (4.7)
4 (11) 47 (119)
100 (2.5)
160 (4.1) 207 (5.3)
5 (12) 53 (135)
120 (3.0)
192 (4.9) 249 (6.3)
6 (14) 65 (166)
150 (3.8)
241 (6.1) 312 (7.9)
7 (18) 82 (207)
200 (5.0)
322 (8.2)
147 (10.6)
9 (24)
106 (270)
250 (6.3)
404 (10.3)
522 (13.3)
12 (29)
124 (315)
300 (7.5)
485 (12.3)
627 (15.9)
14 (35)
128 (324)