Appendix
Projection Distance and Screen Size
zThe allowable projection range is from 0.8 meter (2.62 feet) to 16.1 meters (52.82 feet), which is the distance from the surface of the lens to the screen.
Screen Size 300 8.3 m to 16.1 m (27.23 feet to 52.82 feet)
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| Screen Size 30 |
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| 0.8 m to 1.6 m |
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| (2.62 feet to 5.25 feet) |
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| Screen Size 60 |
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| 1.6 m to 3.2 m |
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| (5.25 feet to 10.50 feet) |
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16 m | 14 m | 12 m | 10 m | 8 m | 6 m | 4 m | 2 m |
(52.49 feet) | (45.93 feet) | (39.37 feet) | (32.81 feet) | (26.25 feet) | (19.69 feet) | (13.12 feet) | (6.56 feet) |
The following table shows the relationship between the distance and projected image size.
Projection Size |
| Approximate Projection Distance |
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| Minimum | Maximum | Minimum |
| Maximum |
Screen Size | Diagonal (cm) | Distance | Distance | Distance |
| Distance |
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30 | 76 | 0.8 | 1.6 | 2.62 |
| 5.25 |
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40 | 102 | 1.1 | 2.1 | 3.61 |
| 6.89 |
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60 | 152 | 1.6 | 3.2 | 5.25 |
| 10.50 |
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80 | 203 | 2.2 | 4.3 | 7.22 |
| 14.11 |
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100 | 254 | 2.7 | 5.3 | 8.86 |
| 17.39 |
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120 | 305 | 3.3 | 6.4 | 10.83 |
| 21.00 |
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150 | 381 | 4.1 | 8.0 | 13.45 |
| 26.25 |
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200 | 508 | 5.5 | 10.6 | 18.04 |
| 34.78 |
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250 | 635 | 6.9 | 13.4 | 22.64 |
| 43.96 |
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300 | 762 | 8.3 | 16.1 | 27.23 |
| 52.82 |
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zThe minimum/maximum distances in the above table define the ranges within which manual focus is possible. The ranges for Auto Focus and auto keystone correction are smaller.
zNote that the distances provided above are for reference only.
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