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Screen Size and Projection Distance
Projection Distance
A
Projection distance
B
Distance from the center of the receiver's lens to the base of the screen
(or to the top of the screen, if suspended from a ceiling)
C
Center of lens
4:3 Screen Size
30"
61x46
40"
81x61
50"
100x76
A
Minimum (Wide) to Maximum
(Tele)
94 - 113
126 - 152
158 - 190
4:3 Screen Size
60"
70"
80"
100"
150"
200"
280"
16:9 Screen Size
35"
40"
50"
60"
70"
80"
100"
Unit: cm
150"
200"
B
310"
-4
-5
-7
A
Minimum (Wide) to Maximum
(Tele)
120x91
190 - 229
142x107
222 - 267
160x120
255 - 306
200x150
319 - 383
300x230
480 - 577
410x300
641 - 770
570x430
898 - 1079
A
Minimum (Wide) to Maximum
(Tele)
78x44
99 - 120
89x50
114 - 137
110x62
143 - 172
130x75
172 - 208
155x87
202 - 243
180x100
231 - 278
220x120
289 - 348
330x190
435 - 523
440x250
582 - 699
690x390
903 - 1084
130
B
-8
-10
-11
-14
-20
-27
-38
Unit: cm
B
-2
-2
-3
-3
-4
-4
-5
-8
-11
-17
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