IBM ILC200 - Manual (Page 51)

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 10 0 15 20 25 30
Diag
onal 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
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