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Runco VX-44d/-55d Installation/Operation Manual 23
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Table 3-4 lists the lens shift limits for each available VX-44d/-55d lens, as percentages
and absolute measurements with a 100 x 56 inch (1.78:1) screen.
Table 3-4. Vertical and Horizontal Lens Shift Limits
Lens Option
Telesto B or
Telesto C
Telesto D Telesto E
Lens Shift Limits, as Percentages of Screen Height or Width (Notes 1, 2 and 3)
Vertical
(Notes 2 and 3)
Up 60% 60% 60%
Down 60% 60% 60%
Horizontal
(Note 2)
Left 22% 20% 21%
Right 22% 20% 21%
Lens Shift Limits in Inches, with a 100-by-56 inch (1.78:1) Screen
Vertical
Up 33.60 33.60 33.60
Down 33.60 33.60 33.60
Horizontal
Left 22.00 20.00 21.00
Right 22.00 20.00 21.00
Notes:
1. With no vertical or horizontal lens shift, the lens center and screen center are aligned with each
other.
2. Vertical shift limits are percentages of the screen height. Horizontal shift limits are percentages of
the screen width.
3. Vertical lens shift figures are for ceiling mount configurations. For floor installations
(where the projector is upright), reverse the up/down vertical lens shift percentages.