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Appendix D. Projected image size
Use the following graph and tables to help you determine projected image
sizes.
50
100
150
200
300
250
350
5
100
15
20 25 30
Diagonal Image Size (inches)
Distance to Screen (feet)
maximum image size
minimum image size
Distance to Screen
(feet)
Diagonal (feet) Width (feet) Height (feet)
4.9 3.0 2.4 1.8
8 5.0 4.0 3.0
12 7.4 6.0 4.5
16 9.9 7.9 6.0
20 12.4 9.9 7.4
30 18.6 14.9 11.2
Distance to Screen
(feet)
Diagonal (feet) Width (feet) Height (feet)
4.9 2.5 2.0 1.5
8 4.0 3.2 2.4
© Copyright IBM Corp. 2002 D-1