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For a screen size different from the above, use the equation below to calculate the projection distance.
NOTE:
Distances calculated with the above equations will include a slight error.
NOTE:
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•
•
At the shortest projection distance, the zoom lens characteristics may cause slight image distortion.
Projection distance for 4:3 aspect ratio screen
Installable angle
Install the projector at an angle within the range shown below.
•
Vertical direction
The projector may be installed at a vertical
angle of 30°.
•
Horizontal direction
The projector may be installed at a horizontal
angle of 15°.
Aspect ratio 16:9
minimum
L (m) = (diagonal screen size in inches) × 0.0331 – 0.0250
maximum
L (m) = (diagonal screen size in inches) × 0.0398 – 0.0250
Aspect ratio 4:3
minimum
L (m) = (diagonal screen size in inches) × 0.0304 – 0.0250
maximum
L (m) = (diagonal screen size in inches) × 0.0365 – 0.0250
unit: meters (feet)
0.76 m
1.02 m
1.27 m
1.52 m
1.78 m
2.03 m
2.29 m
2.54 m
3.05 m
3.81 m
5.08 m
6.35 m
7.62 m
0.9
1.2
1.5
1.8
2.1
2.4
2.7
3.0
3.6
4.5
6.1
7.6
9.1
1.1
1.4
1.8
2.2
2.5
2.9
3.3
3.6
4.4
5.5
7.3
9.1
10.9
0.065
0.087
0.109
0.131
0.152
0.174
0.196
0.218
0.261
0.327
0.435
0.544
0.653
30˝
40˝
50˝
60˝
70˝
80˝
90˝
100˝
120˝
150˝
200˝
250˝
300˝
/
/
/
/
/
/
/
/
/
/
/
/
/
(2.9)
(3.9)
(4.9)
(5.9)
(6.9)
(7.9)
(8.9)
(9.9)
(11.9)
(14.9)
(19.9)
(24.9)
(29.9)
(3.5)
(4.7)
(5.9)
(7.1)
(8.3)
(9.5)
(10.7)
(11.9)
(14.3)
(17.9)
(23.9)
(29.9)
(35.9)
(0.213)
(0.285)
(0.358)
(0.430)
(0.499)
(0.571)
(0.643)
(0.715)
(0.856)
(1.073)
(1.427)
(1.785)
(2.142)
Projection size
[diagonal]
Projection distance [L]
Min [wide]
Max [telephoto]
Height from the edge of screen
to center of lens [H]
–1
5
°
+
1
5
°
+
3
0
°
–3
0
°
PT-
LB330
LCD Projectors
As of April 2014
6 / 8
SFL14M002
