![](/images/new-backgrounds/1215274/21527431x1.webp)
Installation for a 4:3 ratio screen
The illustrations and table below are provided for those users who already have 4:3 aspect ratio screens or intend to purchase 4:3 aspect ratio screens to view 16:9 ratio projected images.
Ceiling Installation | Ceiling | |
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Diagonal | Offset | Projection Distance |
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| Center of the lens |
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| Screen |
| Image Height |
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Floor Installation
Diagonal
Image Height
Screen
Center of the lens
Offset
Projection Distance
Floor
4:3 Screen Diagonal | Distance from Screen in mm |
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| Vertical Offset in mm |
Feet | Inches | mm | Min. length (with | Average | Max. length (with | |
max. zoom) | min. zoom) |
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4 | 48 | 1219 | 2205 | 2366 | 2526 | 119 |
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| 1500 | 2713 | 2910 | 3108 | 147 |
5 | 60 | 1524 | 2756 | 2957 | 3158 | 149 |
6 | 72 | 1829 | 3307 | 3548 | 3790 | 179 |
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| 2000 | 3617 | 3881 | 4144 | 196 |
7 | 84 | 2134 | 3858 | 4140 | 4421 | 209 |
8 | 96 | 2438 | 4410 | 4731 | 5053 | 239 |
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| 2500 | 4521 | 4851 | 5180 | 245 |
9 | 108 | 2743 | 4961 | 5323 | 5684 | 268 |
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| 3000 | 5425 | 5821 | 6217 | 294 |
10 | 120 | 3048 | 5512 | 5914 | 6316 | 298 |
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| 3500 | 6330 | 6791 | 7253 | 343 |
12 | 144 | 3658 | 6615 | 7097 | 7579 | 358 |
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| 4000 | 7234 | 7761 | 8289 | 392 |
15 | 180 | 4572 | 8268 | 8871 | 9474 | 447 |
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| 5000 | 9042 | 9702 | 10361 | 489 |
18 | 216 | 5486 | 9922 | 10645 | 11369 | 537 |
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| 6000 | 10381 | 11138 | 11895 | 562 |
25 | 300 | 7620 | 13780 | 14785 | 15790 | 746 |
The above numbers are approximate and may be slightly different from the actual measurements.