Figure 3-1 . estimating throw distance, 1. estimating throw distance, Pre l iminar y – Runco 3DIMENSION D-73D User Manual
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D-73d Series Installation/Operation Manual
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Figure 3-1. Estimating Throw Distance
Table 3-3 lists the available lens options for the D-73d and their associated throw ratios.
Table 3-3. D-73d Lens Options and Throw Ratios (Note)
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
Minimum
Maximum
Standard
D-73d
1.94 – 2.40
140.84
174.24
(n/a)
D-73d/
CineWide
(Whitney
Lens
(n/a)
1.94 – 2.40
186.24
230.40
D-73d/
CineWide
(Shasta
Lens)
1.94 – 2.40
140.84
174.24
1.46 – 1.80
139.68
172.80
Standard
D-73d with
Short-Throw
Primary Lens
1.64 - 1.86
119.06
135.04
(n/a)
D-73d/
CineWide,
Short-Throw
Pri. Lens +
Shasta Lens
1.64 - 1.86
119.06
135.04
1.23 - 1.40
118.08
133.92
Note: Due to normal manufacturing variances, throw distance can vary by up to +/- 5 percent from
these specifications.
Estimating Throw Distance
Throw Distance (TD) =
Screen Width (w) x Lens Throw Ratio
Scr
een width (w)
TD