Panasonic PT-FW430U Spec File - Page 7
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S
F
P
E
C
I
L
LCD Projector
Projection distance for 16:9 aspect ratio screen
Projection size
[diagonal]
0.84 m
/
33˝
1.02 m
/
40˝
1.2
1.27 m
/
50˝
1.5
1.52 m
/
60˝
1.7
1.78 m
/
70˝
2.0
2.03 m
/
80˝
2.3
2.29 m
/
90˝
2.6
2.54 m
/
100˝
2.9
3.05 m
/
120˝
3.5
3.81 m
/
150˝
4.4
5.08 m
/
200˝
5.9
6.35 m
/
250˝
7.4
7.62 m
/
300˝
8.9
NOTE:
• The value for H (the height from the edge of the screen to the centre of the lens) is the value when the horizontal optical axis shift function is
not used. The value decreases when the horizontal optical axis shift function is used. For details, see Shift range on page 8.
• The value for L (distance to screen) varies slightly depending on the zoom lens characteristics.
• At the shortest projection distance, the zoom lens characteristics may cause slight image distortion.
• When vertical keystone correction is used, the image is corrected in the direction that reduces its projected size.
• The brightness varies depending on the zoom setting.
Calculation of the projection distance
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
NOTE:
Distances calculated with the above equations will include a slight error.
As of March 2011
SFL11M005-1
E
Projection distance [L]
Min [wide]
Max [telephoto]
–
(–)
1.9
(3.8)
2.3
(4.7)
2.9
(5.7)
3.5
(11.5)
(6.7)
4.1
(13.4)
(7.6)
4.7
(15.3)
(8.6)
5.3
(17.3)
(9.6)
5.9
(19.2)
(11.5)
7.1
(23.1)
(14.5)
8.8
(28.9)
(19.3)
11.8
(38.6)
(24.2)
14.7
(48.4)
(29.1)
17.7
(58.1)
L (m) = (diagonal screen size in inches) × 0.0289 – 0.046
L (m) = (diagonal screen size in inches) × 0.0576 – 0.061
L (m) = (diagonal screen size in inches) × 0.0297 – 0.045
L (m) = (diagonal screen size in inches) × 0.0592 – 0.061
Height from the edge of screen
to center of lens [ H ]
(6.2)
-0.02
–
0.44
(7.6)
-0.03
–
0.53
(9.5)
-0.04
–
0.66
-0.05
–
0.80
-0.06
–
0.93
-0.07
–
1.06
-0.08
–
1.20
-0.08
–
1.33
-0.10
–
1.60
-0.13
–
2.00
-0.17
–
2.66
-0.22
–
3.33
-0.26
–
4.00
PT-FW430
unit: meters (feet)
(-0.1
–
1.5)
(-0.1
–
1.8)
(-0.1
–
2.2)
(-0.1
–
2.6)
(-0.2
–
3.1)
(-0.2
–
3.5)
(-0.2
–
4.0)
(-0.2
–
4.4)
(-0.3
–
5.3)
(-0.4
–
6.6)
(-0.6
–
8.8)
(-0.7
–
11.0)
(-0.9
–
13.2)
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