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4-2 5976052 BARCOREALITY 9300 070999
Adjustable lensholder
Features and Principals.
With 'Adjustable lensholder', it is possible to shift the displayed picture of the projector up or down on the screen, without moving the projector
from its normal position, and without any picture geometric distortion. This system is particularly useful for use in dual or triple projector
configurations, or for applications where the projector can not be installed in its standard position.
Features:
- Vertical shift of the lens possible between 20 mm (0.79") up and 6 mm (0.24") down without removing the projector
cover.
- Shift of the displayed picture on the screen up till 2 meters (6.5 ft.) above its standard position.
- Makes it possible to project a geometric non-distorted picture from a non-standard projection position.
- The shift of the lensholder is not determined by the lens used, but depends on the screen width.
- Can be used with all available lenses.
- Can be used in dual or triple configuration in combination with BARCO's projection frame or multifunctional flightcase.
The vertical shift of the picture on the screen (Y-axis on diagram) is function of the screen width (X-axis) and the shift of the lens in the
projector. The shift of the displayed picture can be calculated as follows:
Screen Shift in function of Screen
Width for various Lenses
Screen shift [mm/inch] = Lens shift [mm/inch] x 1+
(1)
LCD panel width: 0.118 m (4,646")
2345678910
-1,0
-0,5
0,0
0,5
1,0
1,5
2,0
Maximum 20 mm upwards lens shift
Maximum 6 mm downwards lens shift
15 mm Shift
10 mm Shift
5 mm Shift
No Shift
80 120
160
200 240 280 320 360 400
80
60
40
20
0
-20
-40
(
Screen width [m/inch]
LCD panel width
(1)
[m/inch]
)