Panasonic PT-LB50 Spec File - Page 5

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Panasonic PT-LB50 Spec File
S
F
P
E
C
I
L
Micro-Portable LCD Projector
Standard setting-up positions
Upper edge of projected image
Projected image
Lower edge of projected image
Projected image
Diagonal image size
(4:3 aspect ratio)
33˝
/
0.84 m
/
40˝
/
1.02 m
/
50˝
/
1.27 m
/
60˝
/
1.52 m
/
70˝
/
1.78 m
/
80˝
/
2.03 m
/
90˝
/
2.29 m
/
100˝
/
2.54 m
/
120˝
/
3.05 m
/
150˝
/
3.81 m
/
200˝
/
5.08 m
/
250˝
/
6.35 m
/
300˝
/
7.62 m
/
Calculation of the projection distance
For a screen size different from the above, use the equation below to calculate the projection distance.
Aspect ratio 4 : 3
minimum
maximum
Aspect ratio 16 : 9
minimum
maximum
Computer data compatibility
This projector accepts up to 91 kHz horizontal scanning frequency and 162 MHz dot clock.
NOTE:
The projector is not fully compatible with RGB signals of which dot clock is higher than 100 MHz.
The display resolution of this projector is 1024 x 768 pixels. If the display resolution indicated in the above data does not match this reso-
lution, the input signal will be converted to 1024 x 768 pixels.
As of March 2006
E
L
L
70 (2-3/4˝)
L
Distance to screen (L)
min.
recommended*
2.7´
–
–
3.3´
1.2 m /
3.9´
1.4 m /
4.6´
4.2´
1.6 m /
5.2´
1.8 m /
5.9´
4.9´
1.9 m /
6.2´
2.1 m /
6.9´
5.8´
2.2 m /
6.9´
2.5 m /
8.2´
6.7´
2.5 m /
7.2´
2.9 m /
9.5´
7.5´
2.8 m /
8.2´
3.3 m /
10.8´
8.3´
3.1 m /
9.2´
3.6 m /
11.8´
10.0´
3.7 m /
12.1´
4.4 m /
14.4´
12.5´
4.5 m /
14.8´
5.5 m /
18.0´
16.7´
6.2 m /
20.3´
7.3 m /
24.0´
20.8´
7.7 m /
25.3´
9.2 m /
30.2´
25.0´
9.2 m /
30.2´
11.1 m /
36.4´
L (m) = (diagonal screen size in inches) x 0.0307 - 0.031
L (m) = (diagonal screen size in inches) x 0.0371 - 0.029
L (m) = (diagonal screen size in inches) x 0.0335 - 0.0315
L (m) = (diagonal screen size in inches) x 0.0405 - 0.0365
ø49
(1-15/16˝)
ø43
(1-11/16˝)
93.5 (3-11/16˝)
Height from the
edge of screen
max.
to center of lens
1.1 m /
3.6´
7 cm /
2.8˝
1.4 m /
4.6´
8 cm /
3.1˝
1.8 m /
5.9´
11 cm /
4.3˝
2.1 m /
6.9´
13 cm /
5.1˝
2.5 m /
8.2´
15 cm /
5.9˝
2.9 m /
9.5´
17 cm /
6.7˝
3.3 m /
10.8´
19 cm /
7.5˝
3.6 m /
11.8´
21 cm /
8.3˝
4.4 m /
14.4´
25 cm /
9.8˝
5.5 m /
18.0´
32 cm /
12.6˝
7.3 m /
24.0´
42 cm /
16.5˝
9.2 m /
30.2´
53 cm /
20.9˝
11.1 m /
36.4´
64 cm /
25.2˝
PT-LB50
unit : mm (inch)
A: Distance to screen
E: Height from the edge of screen to
center of lens
NOTE:
Illustrations show the projector installed
using optional ceiling bracket.
This illustration is not drawn to scale.
* This distance is especially recommend-
ed for ceiling-mounted use and other
permanent installations.
NOTE:
Values shown are approximate.
The value for L (distance to screen)
varies slightly depending on the zoom
lens characteristics.
When the shortest projection distance is
used, a small amount of distortion may
occur in the image due to the zoom lens
characteristics.
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