ASA 3" Wynne Corrector for ASA N-Series Astrographs

ASA 3" Wynne Corrector for ASA N-Series Astrographs
$1,095.00
Item # A2-3KORRW
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  • The ASA 3" Wynne Corrector for ASA N-Series Astrographs has a reduction factor of 0.95x and can used on N-Series Astrographs and many other Newtonian style telescopes.
  • The 3" Wynne Corrector by ASA has a corrected field diameter of 50mm and a backfocus of approx. 57mm.
  • All ASA N-Series Astrographs come standard with the 3" Wynne Corrector lens, except for astrographs which are sold as OTAs.
  • OTAs (Optical Tube Assemblies) do not include a focuser!
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ASA 3" Wynne Corrector for ASA N-Series Astrographs

To correct the images produced by N-Series Astrographs, ASA uses correctors designed by Philipp Keller. All correctors have sufficient back-focus to be optically compatible with all popular astronomy camera systems.

Depending on the corrector installed, ASA N-series Astrographs can be used at f/3.6, or shortened to f/2.75, or can be extended to f/6.8. The astrophotographer can decide which focal length to use, depending on the object they are imaging, the seeing conditions, or other considerations.

For example, an ASA 8" Astrograph 8N, f/3.8 with a nominal focal length of 730mm can also be used at 558mm (f/2.75) or as a 1,380mm (f/6.8) optical system. All ASA correctors are available for purchase separately, and can be used with many other Newtonian telescopes.



ASA 3" Wynne Corrector for ASA N-Series Astrographs Specifications:

  • Reduction Factor: 0.95x
  • Corrected Field: 50mm
  • Backfocus: approximately 57mm
Additional Information

Additional Information

SKU A2-3KORRW
Manufacturer ASA
Barrel Size 3"
Warranty Not Supplied By Manufacturer
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Included Items

Included Items

  • ASA 3" Wynne Corrector
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