Runco LS-3, LS-5 operation manual 4.Vertical Lens Shift Example Only

Models: LS-3 LS-5

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

Installation

You can use the lens shift controls on the projector to center the image on the screen.

Lens Shift

Lens shift is generally expressed as a percentage of the screen height or width, as shown

 

in Figure 3-4and Figure 3-5.

 

Screen Center

0%

50% Height

Lens Shift

(0.5 x H)

100% Height

Lens Shift

(1.0 x H)

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

lens or projector is used in this example.

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

Vertical Lens Shift: The LS-3/LS-5 provides up to 25% of upward vertical lens shift and up to 60% of downward vertical lens shift. For example, with a 100 x 56 inch (1.78:1) screen, you can shift the image up to 14.00 inches (0.36 meters) above or 33.60 inches (0.85 meters) below the screen center.

Horizontal Lens Shift (LS-5 Only): The LS-5 provides up to 7.5% of horizontal lens shift left or right. For example, with a 100 x 56 inch (1.78:1) screen, you can shift the image up to 7.50 inches (0.19 meters) left or right of the screen center.

Runco LS-3/LS-5 Installation/Operation Manual

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Page 35
Image 35
Runco LS-3, LS-5 operation manual 4.Vertical Lens Shift Example Only