Screen Size and Projection Distance (Short throw lens)
When using a wide screen (16:9)
In case of displaying the 16:9 picture on the whole area of the 16:9 screen.
16
9
: Picture area
Wide Screen 16:9
|
| Screen Size |
|
|
| Throw Distance | Center of lens to edge of | |||||||||
|
|
|
|
|
| screen bottom |
| |||||||||
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
Diagonal | Wide | High | Max |
| Min | Up |
| down | ||||||||
in | cm | in | cm | in | cm | ft | m | ft |
| m | ft |
| cm | ft |
| cm |
300.0 | 762.0 | 261.5 | 664.1 | 147.1 | 373.6 | 36.2 | 11.0 | 29.0 |
| 8.8 | 0.0 |
| 0.0 |
| ||
250.0 | 635.0 | 217.9 | 553.5 | 122.6 | 311.3 | 30.1 | 9.2 | 24.1 |
| 7.4 | 0.0 |
| 0.0 |
| ||
200.0 | 508.0 | 174.3 | 442.8 | 98.1 | 249.1 | 24.1 | 7.3 | 19.3 |
| 5.9 | 0.0 |
| 0.0 |
| ||
150.0 | 381.0 | 130.7 | 332.1 | 73.5 | 186.8 | 18.1 | 5.5 | 14.5 |
| 4.4 | 0.0 |
| 0.0 |
| ||
133.0 | 337.8 | 115.9 | 294.4 | 65.2 | 165.6 | 16.0 | 4.9 | 12.8 |
| 3.9 | 0.0 |
| 0.0 |
| ||
106.0 | 269.2 | 92.4 | 234.7 | 52.0 | 132.0 | 12.8 | 3.9 | 10.2 |
| 3.1 | 0.0 |
| 0.0 |
| ||
100.0 | 254.0 | 87.2 | 221.4 | 49.0 | 124.5 | 12.1 | 3.7 | 9.7 |
| 2.9 | 0.0 |
| 0.0 |
| ||
92.0 | 233.7 | 80.2 | 203.7 | 45.1 | 114.6 | 11.1 | 3.4 | 8.9 |
| 2.7 | 0.0 |
| 0.0 |
| ||
84.0 | 213.4 | 73.2 | 186.0 | 41.2 | 104.6 | 10.1 | 3.1 | 8.1 |
| 2.5 | 0.0 |
| 0.0 |
| ||
72.0 | 182.9 | 62.8 | 159.4 | 35.3 | 89.7 | 8.7 | 2.6 | 7.0 |
| 2.1 | 0.0 |
| 0.0 |
| ||
60.0 | 152.4 | 52.3 | 132.8 | 29.4 | 74.7 | 7.2 | 2.2 | 5.8 |
| 1.8 | 0.0 |
| 0.0 |
| ||
50.0 | 127.0 | 43.6 | 110.7 | 24.5 | 62.3 | 6.0 | 1.8 | 4.8 |
| 1.5 | 0.0 |
| 0.0 |
|
The formula for screen size and projection distance
Y1 | (Max.) = 0.12057x | x : Screen size (diag.) |
Y2 | (Min.) = 0.09660x | y : Projection distance |
Z1 (Upper) = 0.00000x | z : Distance from the lens center to the | |
z2 (Lower) = | lower edge of the image |
CONNECTIONS AND SETUP
When using a normal screen (4:3)
In case of setting the 16:9 picture to the full horizontal width of the 4:3 screen.
4
3
: Screen area : Picture area
Note
•There is a tolerance of ±3% in the formula above.
•Values with a minus
Standard Screen 4:3
|
| Screen Size |
|
|
| Throw Distance | Center of lens to edge of | |||||||||
|
|
|
|
|
| screen bottom |
| |||||||||
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
Diagonal | Wide | High | Max |
| Min | Up |
| down | ||||||||
in | cm | in | cm | in | cm | ft | m | ft |
| m | ft |
| cm | ft |
| cm |
300.0 | 762.0 | 240.0 | 609.6 | 180.0 | 457.2 | 33.2 | 10.1 | 26.6 |
| 8.1 | 0.0 |
| 0.0 |
| ||
250.0 | 635.0 | 200.0 | 508.0 | 150.0 | 381.0 | 27.7 | 8.4 | 22.2 |
| 6.8 | 0.0 |
| 0.0 |
| ||
200.0 | 508.0 | 160.0 | 406.4 | 120.0 | 304.8 | 22.1 | 6.7 | 17.7 |
| 5.4 | 0.0 |
| 0.0 |
| ||
150.0 | 381.0 | 120.0 | 304.8 | 90.0 | 228.6 | 16.6 | 5.1 | 13.3 |
| 4.1 | 0.0 |
| 0.0 |
| ||
133.0 | 337.8 | 106.4 | 270.3 | 79.8 | 202.7 | 14.7 | 4.5 | 11.8 |
| 3.6 | 0.0 |
| 0.0 |
| ||
106.0 | 269.2 | 84.8 | 215.4 | 63.6 | 161.5 | 11.7 | 3.6 | 9.4 |
| 2.9 | 0.0 |
| 0.0 |
| ||
100.0 | 254.0 | 80.0 | 203.2 | 60.0 | 152.4 | 11.1 | 3.4 | 8.9 |
| 2.7 | 0.0 |
| 0.0 |
| ||
92.0 | 233.7 | 73.6 | 186.9 | 55.2 | 140.2 | 10.2 | 3.1 | 8.2 |
| 2.5 | 0.0 |
| 0.0 |
| ||
84.0 | 213.4 | 67.2 | 170.7 | 50.4 | 128.0 | 9.3 | 2.8 | 7.4 |
| 2.3 | 0.0 |
| 0.0 |
| ||
72.0 | 182.9 | 57.6 | 146.3 | 43.2 | 109.7 | 8.0 | 2.4 | 6.4 |
| 1.9 | 0.0 |
| 0.0 |
| ||
60.0 | 152.4 | 48.0 | 121.9 | 36.0 | 91.4 | 6.6 | 2.0 | 5.3 |
| 1.6 | 0.0 |
| 0.0 |
| ||
50.0 | 127.0 | 40.0 | 101.6 | 30.0 | 76.2 | 5.5 | 1.7 | 4.4 |
| 1.4 | 0.0 |
| 0.0 |
|
The formula for screen size and projection distance
Y1 | (Max.) = 0.11067x | x : Screen size (in) |
Y2 | (Min.) = 0.08867x | y : Projection distance (ft) |
Z1 | (Upper) = 0.00000x | z : Distance from the lens center to the |
Z2 | (Lower) = | lower edge of the image(in) |
Note
•There is a tolerance of ±3% in the formula above.
•Values with a minus
22