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Runco CL-810 Series Owner’s Operating Manual 17
PRE
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IMINAR
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Throw Ratio - CL-810 Ultra: Table 3-3 lists the available lens options for the
CL-810 Ultra and their associated throw ratios.
Throw Ratio - Standard CL-810: The standard CL-810 offers a throw ratio of between
1.80 and 2.38.
Throw Ratio - Standard CL-810/CineWide: The standard CL-810/CineWide offers a
throw ratio of between 1.90 and 2.38. It uses a prismatic-style anamorphic lens that
compresses the image height (as opposed to the cylindrical anamorphic lenses used with
the CL-810 Ultra, which stretch the image width).
Table 3-3. CL-810 Ultra Lens Options and Throw Ratios
Lens Option
(Note 2)
Throw Ratio
with Primary
Lens Only
Throw Range in
inches, with
96x54-inch (1.78:1)
Screen
Throw Ratio
with Primary
Lens and
Anamorphic
Lens
Throw Range in
inches, with
126.9x54-inch (2.35:1)
Screen
Minimum Maximum Minimum Maximum
Proteus A
0.67 (Fixed)
For rear-screen installations only.
Contact Runco Technical Support for more information.
Proteus B
1.22 - 1.44 117.12 138.24
Not Applicable
(Note 2)
Proteus C
1.45 - 1.75 139.20 168.00
Proteus D
1.82 - 2.38 174.72 228.48 1.38 - 1.77 175.12 224.61
Proteus E
2.42 - 3.57 232.32 342.72 1.82 - 2.67 230.96 338.82
Proteus F
3.65 - 5.68 350.40 545.28 2.76 - 4.25 350.24 539.32
Notes:
1. Throw distance does not affect image quality, provided these ranges are taken into account.
2. Only the Proteus D, E and F lenses can be used with the optional CineWide (secondary
anamorphic) lens. Doing so affects the throw distances as shown here.