Projection Distance For 16:9 Aspect Ratio Screen - Panasonic PT-LW280 Spec File
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Also See for PT-LW280:
- Specifications (4 pages) ,
- Operating instructions manual (104 pages)
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LCD Projectors
Projection distance for 16:9 aspect ratio screen
Projection size
[diagonal]
0.76 m
/
30˝
1.0
1.02 m
/
40˝
1.3
1.27 m
/
50˝
1.6
1.52 m
/
60˝
2.0
1.78 m
/
70˝
2.3
2.03 m
/
80˝
2.6
2.29 m
/
90˝
3.0
2.54 m
/
100˝
3.3
3.05 m
/
120˝
3.9
3.81 m
/
150˝
4.9
5.08 m
/
200˝
6.6
6.35 m
/
250˝
8.2
7.62 m
/
300˝
9.9
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
Projection size
[diagonal]
0.76 m
/
30˝
1.1
1.02 m
/
40˝
1.4
1.27 m
/
50˝
1.8
1.52 m
/
60˝
2.2
1.78 m
/
70˝
2.5
2.03 m
/
80˝
2.9
2.29 m
/
90˝
3.3
2.54 m
/
100˝
3.6
3.05 m
/
120˝
4.3
3.81 m
/
150˝
5.4
5.08 m
/
200˝
7.3
6.35 m
/
250˝
9.1
7.62 m
/
300˝
10.9
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 16:10
minimum
maximum
Aspect ratio 16:9
minimum
maximum
Aspect ratio 4:3
minimum
maximum
NOTE:
Distances calculated with the above equations will include a slight error.
As of April 2014
SFL14M004
Projection distance [L]
Min [wide]
Max [telephoto]
(3.2)
1.2
(4.3)
1.6
(5.3)
2.0
(6.4)
2.4
(7.5)
2.8
(8.6)
3.1
(10.3)
(9.7)
3.5
(11.6)
(10.8)
3.9
(12.9)
(12.9)
4.7
(15.5)
(16.2)
5.9
(19.4)
(21.6)
7.9
(25.9)
(27.0)
9.9
(32.5)
(32.4)
11.9
(39.0)
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Projection distance [L]
Min [wide]
Max [telephoto]
(3.5)
1.3
(4.7)
1.7
(5.9)
2.2
(7.1)
2.6
(8.3)
3.0
(10.0)
(9.5)
3.5
(11.4)
(10.7)
3.9
(12.8)
(11.9)
4.3
(14.3)
(14.3)
5.2
(17.1)
(17.8)
6.5
(21.4)
(23.8)
8.7
(28.6)
(29.8)
10.9
(35.8)
(35.8)
13.1
(42.9)
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L (m) = (diagonal screen size in inches) × 0.0322 – 0.0233
L (m) = (diagonal screen size in inches) × 0.0386 – 0.0237
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) × 0.0364 – 0.0233
L (m) = (diagonal screen size in inches) × 0.0437 – 0.0237
Height from the edge of screen
to center of lens [ H ]
(3.8)
0.008
(5.1)
0.011
(6.4)
0.014
(7.7)
0.017
(9.0)
0.019
0.022
0.025
0.028
0.033
0.041
0.054
0.068
0.082
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Height from the edge of screen
to center of lens [ H ]
(4.2)
0.065
(5.7)
0.087
(7.1)
0.109
(8.5)
0.131
0.152
0.174
0.196
0.218
0.261
0.327
0.435
0.544
0.653
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PT-LW280
unit: meters (feet)
(0.026)
(0.036)
(0.046)
(0.056)
(0.062)
(0.072)
(0.082)
(0.092)
(0.108)
(0.135)
(0.177)
(0.223)
(0.269)
. s
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)
. s
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