Ceiling installation for a 4:3 ratio screen
Projection Distance
Ceiling
Screen Size
Offset
HeightImage
Center of the lens Screen
Floor installation for a 4:3 ratio screen
HeightImage
Offset
Screen
Center of the lens
Projection Distance
Floor
4:3 (standard) ratio screen dimension table:
| Screen Size |
| Projection | Height Offset | Image | ||||
|
|
|
|
| Distance |
|
| Height | |
Type |
| Height |
| Width | Min. | Max. | Tele | Wide | (cm) |
(inch) |
| (cm) |
| (cm) | (cm) | (cm) | (cm) | (cm) |
|
50 |
| 76 |
| 102 | 173 | 212 | 21 | 20 | 62 |
60 |
| 91 |
| 122 | 207 | 254 | 25 | 24 | 75 |
70 |
| 107 |
| 142 | 242 | 297 | 29 | 29 | 87 |
80 |
| 122 |
| 163 | 276 | 339 | 34 | 33 | 100 |
90 |
| 137 |
| 183 | 311 | 381 | 38 | 37 | 112 |
100 |
| 152 |
| 203 | 345 | 424 | 42 | 41 | 125 |
110 |
| 168 |
| 224 | 380 | 466 | 46 | 45 | 137 |
120 |
| 183 |
| 244 | 414 | 508 | 50 | 49 | 149 |
130 |
| 198 |
| 264 | 449 | 551 | 55 | 53 | 162 |
140 |
| 213 |
| 284 | 483 | 593 | 59 | 57 | 174 |
150 |
| 229 |
| 305 | 518 | 636 | 63 | 61 | 187 |
160 |
| 244 |
| 354 | 553 | 678 | 67 | 65 | 199 |
170 |
| 259 |
| 376 | 587 | 720 | 71 | 70 | 212 |
180 |
| 274 |
| 398 | 622 | 763 | 76 | 74 | 224 |
190 |
| 290 |
| 421 | 656 | 805 | 80 | 78 | 237 |
200 |
| 305 |
| 443 | 691 | 847 | 84 | 82 | 249 |
The above numbers are approximate and may be slightly different from the actual measurements.
An examination of the table reveals that you can place the projector lens in the range from 1.73 to 8.47m distance from the screen, which will give you a projected image from 1.02 x 0.62m to 4.43 x 2.49m.
Positioning your projector | 13 |
