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Appendix
Projected Image Size
NOTE: Use the graph and tables
to help you determine projected
image sizes.
F
IGURE 24
Projected image size
Table 1:
Image Size, Width and Height-maximum image size
Distance to
Screen (ft/m)
Diagonal
(ft/m)
Width
(ft/m)
Height
(ft/m)
4.9/1.5 3.0/0.9 2.4/0.7 1.8/0.6
8.0/2.4 5.0/1.5 4.0/1.2 3.0/0.9
12.0/3.7 7.4/2.3 6.0/1.8 4.5/1.4
16.0/4.9 9.9/3.0 7.9/2.4 6.0/1.8
20.0/6.1 12.4/3.8 9.9/3.0 7.42.3
30/9.1 18.6/5.7 14.9/4.5 11.2/3.4
Table 2:
Image Size, Width and Height-minimum image size
Distance to
Screen (ft/m)
Diagonal
(ft/m)
Width
(ft/m)
Height
(ft/m)
4.9/1.5 2.5/0.8 2.0/0.6 1.5/0.5
8.0/2.4 4.0/1.2 3.2/1.0 2.4/0.7
12.0/3.7 6.0/1.8 4.8/1.5 3.6/1.1
16.0/4.9 8.0/2.4 6.4/2.0 4.8/1.5
20.0/6.1 10.0/3.0 8.0/2.4 6.0/1.8
30/9.1 15.0/4.6 12.0/3.7 9.0/2.7