Projected Image Size For Optional Lenses - BOXLIGHT 9000-INT Manual

A p p e n d
NOTE: The lens shift is not
adjustable on the optional short
throw lens. It is fixed at zero
54
i x

Projected Image Size for Optional Lenses

Diagonal Image Size and Width vs Distance to Screen-
Diagonal
degrees.
Image Size
(inches)
300
240
180
144
120
96
72
60
48
The formulas for distance to the screen are:
Long throw lens distance (ft) = diagonal image size (ft) ÷ .25
Short throw lens distance (ft) = diagonal image size (ft) ÷ 1.042
Table 4:
Long Throw and Short Throw Lenses
Image Width Long Throw
(inches)
240
192
144
115
96
77
58
48
38
Distance to screen
Short Throw
(feet) (feet)
100 N/A
80 N/A
60 N/A
48 11.5
40 9.6
32 7.7
24 5.8
20 4.8
N/A 3.8