Projection Distance and Screen Size
h*
The following table shows the relationship between the distance and projected image size.
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| Approximate Projection Distance |
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Projection Size | ||||||||||
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Screen | Diagonal | Minimum | Maximum |
| Minimum |
| Maximum |
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| h* |
Distance | Distance | h* | Distance |
| Distance |
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Size | (cm) |
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| (cm / inch) | ||||||
(m / feet) | (m / feet) |
| (m / feet) |
| (m / feet) |
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40 | 102 | 1.1 / 3.61 | 2.2 / 7.22 | 0 | 1.0 / 3.28 |
| 1.9 / 6.23 |
| 9 | / 3.54 |
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60 | 152 | 1.7 / 5.58 | 3.4 / 11.15 | 0 | 1.4 / 4.59 |
| 2.8 / 9.19 |
| 14 / 5.51 | |
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80 | 203 | 2.3 / 7.55 | 4.5 / 14.76 | 0 | 1.9 / 6.23 |
| 3.8 / 12.47 |
| 18 / 7.09 | |
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100 | 254 | 2.8 / 9.19 | 5.6 / 18.37 | 0 | 2.4 / 7.87 |
| 4.8 / 15.75 |
| 23 / 9.06 | |
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150 | 381 | 4.3 / 14.11 | 8.5 / 27.89 | 0 | 3.6 / 11.81 |
| 7.2 / 23.62 |
| 34 | / 13.39 |
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200 | 508 | 5.7 / 18.70 | 11.3 / 37.07 | 0 | 4.8 / 15.75 |
| 9.6 / 31.50 |
| 45 | / 17.72 |
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*h = Height from the center of the lens to the bottom edge of the projection screen.
Important!
Note that the distances provided above are for reference only.
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