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20 Runco CL-810 Series Owner’s Operating Manual
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Table 3-4 lists the lens shift limits for each available CL-810 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
CL-810 CL-810 Ultra
--
Proteus
A
Proteus
B
Proteus
C
Proteus
D
Proteus
E
Proteus
F
Lens Shift Limits, as Percentages of Screen Height or Width (Notes 1 and 2)
Vertical
(Note 2)
Up 50% 2% 11% 10% 13% 14% 20%
Down 50% 2% 72% 70% 70% 71% 63%
Horizontal
(Note 2)
Left 0% 0% 13%
Right 0% 0% 13%
Lens Shift Limits in Inches, with a 100-by-56 inch (1.78:1) Screen
Vertical
Up 28.00 1.12 6.16 5.60 7.28 7.84 11.20
Down 28.00 1.12 40.32 39.20 39.20 39.76 35.28
Horizontal
Left 0 0 13.00
Right 0 0 13.00
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 apply to ceiling mount configurations. For floor installations
(where the projector is upright), reverse the up/down vertical offset percentages.