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Appendix
Projected Image Size
NOTE: Use the graph and table
to help you determine projected
image sizes.
F
IGURE 27
Projected image size
50
100
150
200
250
5
100
15
20 25 30
Diagonal Image Size (inches)
Distance to Screen (feet)
maximum image size
minimum image size
Table 1:
Range of distance to the screen for a given screen size
Diagonal
Screen Size
(inches)
Distance to screen
Image Width
(inches)
Maximum
distance
(feet)
Minimum
Distance
(feet)
40 32 5.1 3.9
50 40 6.4 4.9
60 48 7.7 5.9
100 80 12.8 9.8
150 120 19.2 14.8
200 160 25.6 19.7