A p p e n d i x
NOTE: Use the graph and table
to help you determine projected
image sizes.
Projected Image Size
(inches) | 250 |
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| maximum image size |
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Size |
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Image | 200 |
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Diagonal | 150 |
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| 100 |
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| minimum image size | ||
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| 50 |
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| 0 | 5 | 10 | 15 | 20 | 25 | 30 |
Distance to Screen (feet)
FIGURE 26
Projected image size
Table 1:
Range of distance to the screen for a given screen size
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| Distance to screen | |
Diagonal |
| Maximum | Minimum |
Screen Size | Image Width | distance | Distance |
(inches/cm) | (inches/cm) | (feet/m) | (feet/m) |
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60/152.4 | 48/122 | 8.5/2.6 | 6.9/2.1 |
72/183 | 58/147 | 10.2/3.1 | 8.3/2.5 |
84/213 | 67/170 | 11.9/3.6 | 9.7/3.0 |
90/229 | 72/183 | 12.7/3.9 | 10.4/3.2 |
100/254 | 80/203 | 14.1/4.3 | 11.6/3.5 |
120/305 | 96/244 | 17.0/5.2 | 13.9/4.2 |
150/381 | 120/305 | 21.2/6.5 | 17.4/5.3 |
44
