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Runco CL-810 Series Owner’s Operating Manual 17
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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 - CL-810: The CL-810 offers a throw ratio of between 1.80 and 2.43.
Throw Ratio - CL-810 CineWide: The CineWide version of the CL-810 also offers a
throw ratio of between 1.80 and 2.43. 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). Using this lens type does not change
the projector throw ratio.
Table 3-3. CL-810 Ultra Lens Options
Lens Option (Note 2)
Throw Ratio
(Throw Dist. ÷
Screen Width)
Throw Distance Range
(in inches, with 100-inch Wide Screen)
Minimum Maximum
Proteus A
0.67 (Fixed)
For rear-screen installations only. Contact
Runco Technical Support for more information.
Proteus B
1.22 - 1.44 122 144
Proteus C
1.45 - 1.75 145 175
Proteus D
1.82 - 2.38 182 238
Proteus D with CineWide
1.38 - 1.79 138 179
Proteus E
2.42 - 3.57 242 357
Proteus E with CineWide
1.84 - 2.70 184 270
Proteus F
3.65 - 5.68 365 568
Proteus F with CineWide
2.77 - 4.29 277 429
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.