Installation
Base plate
to lens center =
approx.
on the amount of lens shift)
Screen Center
0%
50% Height
Lens Shift
(0.5 x H)
100% Height
Lens Shift
(1.0 x H)
150% Height
Lens Shift
(1.5 x H)
Note: This is a general example of lens shift. Lenses vary in their shift capabilities. No particular lens is used in this example.
Figure 3-4. Vertical Lens Shift
150% Width Lens Shift
(1.5 x W)
100% Width Lens Shift
(1.0 x W)
50% Width Lens Shift
(0.5 x W)
Screen Center
0%
Screen Width (W) 
Note: This is a general example of lens shift. Lenses vary in their shift capabilities. No particular lens is used in this example.
Figure 3-5. Horizontal Lens Shift
18 | Runco |
