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User’s Guide 17
Image size relative to distance from the screen
Image size (diagonal) Image size (width) Distance (lens to screen)
(inches) (meters) (inches) (meters) (inches) (meters)
30 0.8 24 0.6 41 to 48 1.1 to 1.2
40 1.0 32 0.8 55 to 64 1.4 to 1.6
60 1.5 48 1.2 83 to 96 2.1 to 2.4
80 2.0 64 1.6 110 to 128 2.8 to 3.3
100 2.5 80 2.0 138 to 160 3.5 to 4.1
120 3.0 96 2.4 166 to 192 4.2 to 4.9
150 3.8 120 3.0 207 to 240 5.3 to 6.1
180 4.6 144 3.7 248 to 288 6.3 to 7.3
200 5.1 160 4.1 276 to 320 7.0 to 8.1
240 6.1 192 4.9 331 to 384 8.4 to 9.8
270 6.9 216 5.5 372 to 396 9.5 to 10.0