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Projected Image Size
Use the chart and table to help you determine projected image
sizes.
FIGURE 22
Projected image size
Table 1:
Image Size, Width and Height
Distance to
Screen (feet)
Diagonal
(inches)
Width
(inches)
Height
(inches)
5 51.0 40.8 30.6
10 102.0 81.6 61.2
15 153.0 122.4 91.8
20 204.0 163.2 122.4
25 255.3 204.0 153.0
30 306.0 244.8 183.6
35 357.0 285.6 214.2
40 408.0 326.4 244.8