| 350 |
|
|
|
|
|
|
| 300 |
|
|
|
|
|
|
Size(inches) | 250 |
|
|
|
|
|
|
|
| maximum image size |
|
| |||
Image | 200 |
|
|
| |||
|
|
|
|
|
| ||
|
|
|
|
|
|
| |
Diagonal | 150 |
|
|
|
|
|
|
|
|
|
|
|
|
| |
| 100 |
|
|
| minimum image size | ||
|
|
|
|
|
|
| |
| 50 |
|
|
|
|
|
|
| 0 | 5 | 10 | 15 | 20 | 25 | 30 |
Distance to Screen (feet)
FIGURE 44
Projected image size for 4:3 aspect ratio
Table 7:
Range of distance to the screen for a given screen size for 4:3 aspect
ratio
|
| Distance to screen | |
Diagonal |
| Maximum | Minimum |
Screen Size | Image Width | distance | Distance |
(inches) | (inches) | (feet) | (feet) |
|
|
|
|
60 | 48 | 8.9 | 7.2 |
72 | 58 | 10.7 | 8.7 |
84 | 67 | 12.5 | 10.1 |
90 | 72 | 13.4 | 10.9 |
100 | 80 | 14.9 | 12.1 |
120 | 96 | 17.9 | 14.5 |
(1*/,6+
67
