23
CONNECTIONS AND SETUP
Screen Size and Projection Distance (Long 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.
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.
The formula for screen size and projection distance
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 45.5 13.9 36.2 11.0 2.5 74.7 -9.8 -298.9
250.0 635.0 217.9 553.5 122.6 311.3 37.9 11.6 30.1 9.2 2.0 62.3 -8.2 -249.1
200.0 508.0 174.3 442.8 98.1 249.1 30.4 9.3 24.1 7.3 1.6 49.8 -6.5 -199.2
150.0 381.0 130.7 332.1 73.5 186.8 22.8 6.9 18.1 5.5 1.2 37.4 -4.9 -149.4
133.0 337.8 115.9 294.4 65.2 165.6 20.2 6.2 16.0 4.9 1.1 33.1 -4.3 -132.5
106.0 269.2 92.4 234.7 52.0 132.0 16.1 4.9 12.8 3.9 0.9 26.4 -3.5 -105.6
100.0 254.0 87.2 221.4 49.0 124.5 15.2 4.6 12.1 3.7 0.8 24.9 -3.3 -99.6
92.0 233.7 80.2 203.7 45.1 114.6 14.0 4.3 11.1 3.4 0.8 22.9 -3.0 -91.7
84.0 213.4 73.2 186.0 41.2 104.6 12.8 3.9 10.1 3.1 0.7 20.9 -2.7 -83.7
72.0 182.9 62.8 159.4 35.3 89.7 10.9 3.3 8.7 2.6 0.6 17.9 -2.4 -71.7
60.0 152.4 52.3 132.8 29.4 74.7 9.1 2.8 7.2 2.2 0.5 14.9 -2.0 -59.8
40.0 101.6 34.9 88.6 19.6 49.8 6.1 1.9 4.8 1.5 0.3 10.0 -1.3 -39.8
Y1 (Max.) = 0.15180x
Y2 (Min.) = 0.12057x
Z1 (Upper) = 0.00817x
Z2 (Lower) = -0.03268x
x : Screen size (in)
y : Projection distance (ft)
z : Distance from the lens center to the
lower edge of the image (in)
Note
• There is a tolerance of ±3% in the formula above.
• Values with a minus (-) sign indicate the distance of the lens center below the
bottom of the image.
9
16
: Picture area
The formula for screen size and projection distance
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 41.8 12.7 33.2 10.1 3.0 91.4 -12.0 -365.8
250.0 635.0 200.0 508.0 150.0 381.0 34.8 10.6 27.7 8.4 2.5 76.2 -10.0 -304.8
200.0 508.0 160.0 406.4 120.0 304.8 27.9 8.5 22.1 6.7 2.0 61.0 -8.0 -243.8
150.0 381.0 120.0 304.8 90.0 228.6 20.9 6.4 16.6 5.1 1.5 45.7 -6.0 -182.9
133.0 337.8 106.4 270.3 79.8 202.7 18.5 5.6 14.7 4.5 1.3 40.5 -5.3 -162.2
106.0 269.2 84.8 215.4 63.6 161.5 14.8 4.5 11.7 3.6 1.1 32.3 -4.2 -129.2
100.0 254.0 80.0 203.2 60.0 152.4 13.9 4.2 11.1 3.4 1.0 30.5 -4.0 -121.9
92.0 233.7 73.6 186.9 55.2 140.2 12.8 3.9 10.2 3.1 0.9 28.0 -3.7 -112.2
84.0 213.4 67.2 170.7 50.4 128.0 11.7 3.6 9.3 2.8 0.8 25.6 -3.4 -102.4
72.0 182.9 57.6 146.3 43.2 109.7 10.0 3.1 8.0 2.4 0.7 21.9 -2.9 -87.8
60.0 152.4 48.0 121.9 36. 0 91.4 8.4 2.5 6.6 2.0 0.6 18 .3 -2.4 -73.2
40.0 101.6 32.0 81.3 24.0 61.0 5.6 1.7 4.4 1.3 0.4 12.2 -1.6 -48.8
Y1 (Max.) = 0.13933x
Y2 (Min.) = 0.11067x
Z1 (Upper) = 0.00817x
Z2 (Lower) = -0.03268x
x : Screen size (in)
y : Projection distance (ft)
z : Distance from the lens center to the
lower edge of the image (in)
Note
• There is a tolerance of ±3% in the formula above.
• Values with a minus (-) sign indicate the distance of the lens center below the
bottom of the image.
3
4
: Screen area
: Picture area