Vidikron Vision 90t, Vision 100t examples, 3. Vertical Lens Shift Example Only, Installation

Installation

Vertical and Horizontal Lens	➤	If it is not possible to align the projector and screen as shown in Figure 3-2,you can use the
Shift		lens shift controls to center the image on the screen. Lens shift is generally expressed as a
		percentage of the screen height or width, as shown in Figure 3-3and Figure 3-4.

Note	These are general examples of lens shift. Lenses vary in their shift
	capabilities. No particular lens or projector is used in these
	examples.

150% Height

Lens Shift

(1.5 x H)

100% Height

Lens Shift

(1.0 x H)

50% Height

Screen Center Lens Shift

(0.5 x H)

0%

Base plate to center of lens Approx. 5-6" (depends on the amount of lens shift)

Figure 3-3. Vertical Lens Shift (Example Only)

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)

Figure 3-4. Horizontal Lens Shift (Example Only)

18 Vidikron Vision Model 90t and Model 100t Owner’s Operating Manual