Runco 3.Throw Ratios for the LS-3/LS-5Series, Ceiling Installation, Floor Installation

Models: LS-3 LS-5

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Table 3-3. Throw Ratios for the LS-3/LS-5 Series

Installation

Table 3-3lists the available LS-3/LS-5 Series lens options and their associated throw ratios.

Table 3-3. Throw Ratios for the LS-3/LS-5 Series

 

 

 

Throw Range in

Throw Ratio

Throw Range in

 

 

Throw

inches, with

with

inches, with

 

Projector Model

Ratio with

72.6x40.8-inch

Primary

96x40.8-inch (2.35:1)

 

Primary

(1.78:1) Screen

Lens and

Screen

 

 

 

 

Lens Only

 

 

Anamorphic

 

 

 

 

Minimum

Maximum

Minimum

Maximum

 

 

 

Lens

 

 

 

 

 

 

 

 

 

Standard

1.85 – 2.40

134.31

174.24

 

(n/a)

 

 

LS-3/LS-5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Standard

 

 

 

 

 

 

 

LS-3/LS-5 with

1.56 – 1.86

113.26

135.03

 

(n/a)

 

 

Optik A Primary

 

 

 

 

 

 

 

 

 

 

Lens

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LS-3/LS-5/

 

 

 

 

 

 

 

CineWide (Whitney

 

(n/a)

 

1.85 – 2.40

177.60

230.40

 

Anamorphic Lens)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Vertical and Horizontal

Proper placement of the projector relative to the screen will yield a rectangular,

 

Position

perfectly-centered image that completely fills the screen.

 

 

Ideally, the projector should be positioned perpendicular to the screen and in such a way that the lens center is aligned with either the top or bottom edge of the screen area, and centered horizontally. See Figure 3-3.

Ceiling Installation

Ceiling

Height

Projection Distance

 

x

Lens Center

Lens Center

Screen

Floor Installation

Height

Lens Center

x

Screen

Lens Center

Projection Distance

Floor

Figure 3-3. Projector Placement

18

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

Page 34
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Runco 3.Throw Ratios for the LS-3/LS-5Series, Ceiling Installation, Floor Installation, 3.Projector Placement