Throw distance, Figure 3-1 . estimating throw distance, Table 3-3 . throw ratios for the cl-610 series – Runco CL-610 User Manual

Page 28: 1. estimating throw distance, Pre l iminar y

Runco CL-610 Series Owner’s Operating Manual

PRE

IMINAR

Throw Distance

Throw distance is the distance measured from the front of the projector to the screen.
This is an important calculation in any projector installation as it determines whether or not
you have enough room to install your projector with a desired screen size and if your
image will be the right size for your screen.

You can quickly estimate the throw distance by taking the width of the screen and
multiplying it by the lens throw ratio; see Figure 3-1. The result of this calculation tells you
roughly how far back the projector should be positioned from the screen in order to
project a focused image large enough to fill the screen.

Figure 3-1. Estimating Throw Distance

Table 3-3 lists the throw ratios for the CL-610 Series.

➤

Table 3-3. Throw Ratios for the CL-610 Series

Projector Model

Throw Ratio

with Primary

Lens Only

Throw Range in

inches, with

72.6x40.8-inch

(1.78:1) Screen

Throw Ratio

with Primary

Lens and

Anamorphic

Lens

Throw Range in

inches, with

96x40.8-inch (2.35:1)

Screen

Minimum Maximum

CL-610

1.37 - 1.82

99.46

132.13

(n/a)

CL-610/CineWide

(n/a)

1.55 - 1.82

148.80

174.72

CL-610LT

1.87 - 2.47

135.76

179.32

(n/a)

CL-610LT/

CineWide

(n/a)

1.87 - 2.47

179.52

237.12

Estimating Throw Distance
Throw Distance (TD) = Screen Width (w) x Lens Throw Ratio

Scr

een w

idth (w)