User`s guide

Projection Distance
A
Projection distance
B
Distance from the center of the lens to the base of the screen
(or to the top of the screen, if suspended from a ceiling)
C
Center of lens
Unit: cm
4:3 Screen Size
A
B
Minimum (Wide) to Maximum
(Tele)
30" 61x46 89 - 107 -5
40" 81x61 119 - 143 -7
50" 100x76 150 - 180 -8
4:3 Screen Size
A
B
Minimum (Wide) to Maximum
(Tele)
60" 120x91 180 - 217 -10
80" 160x120 241 - 290 -14
100" 200x150 302 - 363 -17
150" 300x230 454 - 546 -25
200" 410x300 607 - 729 -34
250" 500x380 759 - 912 -42
300" 610x460 912 - 1095 -51
Unit: cm
16:9 Screen Size
A
B
Minimum (Wide) to Maximum
(Tele)
30" 66x37 97 - 117 +1
40" 89x50 130 - 156 +1
50" 110x62 163 - 196 +1
60" 130x75 196 - 236 +1
80" 180x100 263 - 316 +2
100" 220x120 329 - 396 +2
150" 330x190 495 - 595 +3
200" 440x250 661 - 794 +5
250" 550x310 827 - 994 +6
275" 620x350 910 - 1093 +6
Screen Size and Projection Distance
111