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If you do not want to use the distance table, you can use the following equations to help
determine where to install the projector relative to the screen.
Image size relative to distance from the screen — xp7010/xp7030 series
Image size (diagonal) Image size (width) Distance — Tele (lens to screen)
(inches) (meters) (inches) (meters) (inches) (meters)
40 1.0 32 0.8 52 to 63 1.3 to 1.6
50 1.3 40 1.0 65 to 79 1.7 to 2.0
60 1.5 48 1.2 79 to 94 2.0 to 2.4
80 2.0 64 1.6 105 to 126 2.7 to 3.2
100 2.5 80 2.0 131 to 157 3.3 to 4.0
150 3.8 120 3.0 197 to 236 5.0 to 6.0
200 5.1 160 4.1 262 to 315 6.7 to 8.0
250 6.4 200 5.1 328 to 394 8.3 to 10.0
Calculating projection distances
distance from lens to screen = A × width of screen
minimum and maximum distance from screen = B
width of screen = 0.8 × diagonal of screen (for 4:3 screen)
projector lens below bottom of screen = C × width of screen (for 4:3 screen, with projector sitting level)
xp7010/xp7030 series
A = 1.6 to 2.0
B = 1.2 to 10 m (4 to 33 ft)
C = 0.12