Vidikron Vision 120 用户手册
Vidikron Vision Model 120 Installation/Operation Manual
21
PRE
L
IMINAR
Y
Table 3-4 lists the lens shift limits for each available Vision 120 lens, as percentages and
absolute measurements with a 100 x 56 inch (1.78:1) screen.
absolute measurements with a 100 x 56 inch (1.78:1) screen.
Folded Optics
In rear screen applications where space behind the projector is limited, a mirror may be used
to fold the optical path, as shown in Figure 3-5. The position of the projector and mirror must
be accurately set. If you are considering this type of installation, contact your dealer for
assistance.
to fold the optical path, as shown in Figure 3-5. The position of the projector and mirror must
be accurately set. If you are considering this type of installation, contact your dealer for
assistance.
Figure 3-5. Folded Optics
Table 3-4. Vision 120 Vertical and Horizontal Lens Shift Limits
Lens Option
A1
A2
B
C
D
E
Lens Shift Limits, as Percentages of Screen Height or Width (Notes 1 and 2)
Vertical
(Note 2)
Up
10%
31%
30%
32%
28%
30%
Down
10%
71%
61%
62%
65%
63%
Horizontal
(Note 2)
Left
5%
17%
12%
Right
5%
17%
12%
Lens Shift Limits in Inches, with a 100-by-56 inch (1.78:1) Screen
Vertical
Up
5.60
17.36
16.80
17.92
15.68
16.80
Down
5.60
39.76
34.16
34.72
36.40
35.28
Horizontal
Left
5.00
17.00
12.00
Right
5.00
17.00
12.00
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.
Screen
Mirror