ASA 4" Wynne Corrector for ASA N-Series Astrographs

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  • ASA 4" Wynne Corrector for ASA N-Series Astrographs

    • Sale
    • Regular price $0.00
    • ITEM #



    ASA 4" Wynne Corrector for ASA N-Series Astrographs

    Astrosystems Austria (ASA) 4" Wynne Corrector

    To correct the field of view on their N-Series Astrographs, ASA uses correctors designed by Philipp Keller. All correctors have sufficient backfocus to connect to all popular camera systems.

    Depending on the corrector, systems can be used at f/3.6 or shortened to f/2.75. Alternatively, N-Series Astrographs can be extended to f/6.8. The photographer can decide which focal length to use, depending on the object they are imaging, the seeing conditions, and other considerations such as wind.

    Astrosystems Austria (ASA) 4 Inch Wynne Corrector

    For example, an ASA Astrograph N 8"/f3.6 with a focal length of 730 mm can also be used at 558mm (f/2.75) or as a 1380mm, f/6.8 system. All ASA correctors (4" Wynne Corrector is the one in the upper right.) are available separately and can be used with other Newtonian telescopes.

    ASA 4" Wynne Corrector Specifications...

    • Corrected Field: 60 mm
    • Backfocus: ca. 60 mm
    Astrosystems Austria (ASA) Product Number: 0200191A

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