Vertical lens shift, Figure 3-4 . vertical lens shift, 4. vertical lens shift – Runco VX-1000d User Manual

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Runco VX-1000d Owner’s Operating Manual

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Vertical Lens Shift

If it is not possible to align the projector and screen as shown in Figure 3-3, you can use
the 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 3-4.

Figure 3-4. Vertical Lens Shift

The VX-1000d provides up to 50% of vertical lens shift in either direction. For
example, with a 96 x 54-inch (16:9) screen, you can shift the image up to 27.00 inches
(0.69 meters) above or below the screen center.

50% Height

Lens Shift

(0.5 x H)

100% Height

Lens Shift

(1.0 x H)

150% Height

Lens Shift

(1.5 x H)

Screen Center

Note:

This is a general example of lens shift. Lenses vary in their shift capabilities. No particular

lens is used in this example.