Check the table here to determine approximately how far to place the
projector from the screen based on the size of the projected image.
A
Projection distance (cm)
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) (cm)
C
Center of lens
16:10 screen size
AB
Minimum (Wide) to
Maximum (Tele)
30" 65 × 40 86 - 145 -4
40" 86 × 54 116 - 194 -5
50" 108 × 67 146 - 243 -6
60" 129 × 81 176 - 293 -7
16:10 screen size
AB
Minimum (Wide) to
Maximum (Tele)
80" 172 × 108 236 - 392 -10
100" 215 × 135 296 - 491 -12
150" 323 × 202 446 - 738 -18
200" 431 × 269 595 - 985 -24
250" 538 × 337 745 - 1232 -31
300" 646 × 404 895 - 1479 -37
4:3 screen size
AB
Minimum (Wide) to
Maximum (Tele)
28" 57 × 43 91 - 153 -4
30" 61 × 46 98 - 164 -4
40" 81 × 61 132 - 220 -6
50" 102 × 76 166 - 276 -7
60" 122 × 91 200 - 332 -8
80" 163 × 122 268 - 444 -11
100" 203 × 152 335 - 556 -14
150" 305 × 229 505 - 836 -21
200" 406 × 305 674 - 1115 -28
250" 508 × 381 844 - 1395 -35
16:9 screen size
AB
Minimum (Wide) to
Maximum (Tele)
40" 89 × 50 119 - 200 -2
Screen Size and Projection Distance
188