Panasonic PJLink PT-LB280 File Spec - Pagina 6
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LCD Projectors
Projection distance for 4:3 aspect ratio screen
Projection size
[diagonal]
0.76 m
/
30˝
0.9
1.02 m
/
40˝
1.2
1.27 m
/
50˝
1.5
1.52 m
/
60˝
1.8
1.78 m
/
70˝
2.1
2.03 m
/
80˝
2.4
2.29 m
/
90˝
2.7
2.54 m
/
100˝
3.0
3.05 m
/
120˝
3.6
3.81 m
/
150˝
4.5
5.08 m
/
200˝
6.0
6.35 m
/
250˝
7.6
7.62 m
/
300˝
9.1
NOTE:
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• At the shortest projection distance, the zoom lens characteristics may cause slight image distortion.
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For a screen size different from the above, use the equation below to calculate the projection distance.
Aspect ratio 16:9
minimum
maximum
Aspect ratio 4:3
minimum
maximum
NOTE:
Distances calculated with the above equations will include a slight error.
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°.
As of April 2014
SFL14M006
Projection distance [L]
Min [wide]
Max [telephoto]
(2.9)
1.1
(3.9)
1.4
(4.9)
1.8
(5.9)
2.2
(6.9)
2.5
(7.9)
2.9
(8.9)
3.3
(10.7)
(9.9)
3.6
(11.9)
(11.9)
4.3
(14.3)
(14.9)
5.4
(17.8)
(19.8)
7.3
(23.8)
(24.8)
9.1
(29.8)
(29.8)
10.9
(35.8)
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L (m) = (diagonal screen size in inches) × 0.0330 – 0.0233
L (m) = (diagonal screen size in inches) × 0.0397 – 0.0237
L (m) = (diagonal screen size in inches) × 0.0303 – 0.0233
L (m) = (diagonal screen size in inches) × 0.0364 – 0.0237
Height from the edge of screen
to center of lens [ H ]
(3.5)
0.065
(4.7)
0.087
(5.9)
0.109
(7.1)
0.131
(8.3)
0.152
(9.5)
0.174
0.196
0.218
0.261
0.327
0.435
0.544
0.653
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• Horizontal direction
The projector may be installed at a horizontal
angle of 15°.
PT-LB280
unit: meters (feet)
(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)
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