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Focal Reducers

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  1. Celestron - Reducer / Corrector f/6.3

    Celestron - Reducer / Corrector f/6.3

    This combination focal reducer and field corrector lens accessory works with all Celestron 5\", 8\", 9 1/4\", 11\" and 14\" Schmidt-Cassegrain telescopes. This clever accessory makes it possible to have a dual focal ratio instrument, without sacrificing image quality. The Reducer/Corrector is f/6.3 for C5, C8, C9.25 and C11 telescopes and f/7 for the C14 telescope.

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    Model#: 94175
    $129.95

  2. ASA - 4" Wynne Corrector 1.0x

    ASA - 4" Wynne Corrector 1.0x

    To correct the field of view ASA uses the correctors designed by Dipl. Phys. Philipp Keller. All correctors have sufficient backfocus to be connected to all popular camera systems.

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    Model#: 4KORRW
    $1,885.00

  3. ASA - 3" Wynne Corrector 0.95x

    ASA - 3" Wynne Corrector 0.95x

    To correct the field of view ASA uses the correctors designed by Dipl. Phys. Philipp Keller. All correctors have sufficient backfocus to be connected to all popular camera systems.

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    Model#: 3KORRW
    $1,287.00

  4. ASA - 3" Reducer Corrector 0.73x

    ASA - 3" Reducer Corrector 0.73x

    To correct the field of view ASA uses the correctors designed by Dipl. Phys. Philipp Keller. All correctors have sufficient backfocus to be connected to all popular camera systems.

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    Model#: 3KORRR
    $1,535.00

  5. 2KORRR

    ASA - 2" Reducer Corrector 0.73x

    To correct the field of view ASA uses the correctors designed by Dipl. Phys. Philipp Keller. All correctors have sufficient backfocus to be connected to all popular camera systems.

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    Model#: 2KORRR
    $1,086.00

  6. ASA - 2" Coma Corrector Quattro 1.175x

    ASA - 2" Coma Corrector Quattro 1.175x

    The corrector is optimized for CCDs with a diameter of 30 mm (APS-C Format); however, this can be extended to up to 40 mm with some minor loss of performance and increased vignetting.

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    Model#: 2KORRC
    $950.00

  7. ASA - 2" Barlow Corrector 1.8x

    ASA - 2" Barlow Corrector 1.8x

    To correct the field of view ASA uses the correctors designed by Dipl. Phys. Philipp Keller. All correctors have sufficient backfocus to be connected to all popular camera systems.

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    Model#: 2KORRB
    $1,287.00

  8. ASA - 2"  Schmidt-Cassegrain  Reducer 0.77x

    ASA - 2" Schmidt-Cassegrain Reducer 0.77x

    The reducer will correct the focal length down by a factor of 0,77x. It is perfectly suitable for perfect image performance onto APS-C format sized CCD chips. ... Learn More
    Model#: 2SCKORR
    $749.00

  9. APM Reducer 0.75x , M82 for 52mm Image Circle, include Adjusting Flange

    APM - Reducer 0.75x , M82 for 52mm Image Circle, include Adjusting Flange

    This APM new reducer, calculated and designed from Riccardi. The connection between the telescope and camera occurs over an M82 x 1 thread.

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    FREE SHIPPING
    (48 States)
    Model#: RIRED-M82
    $943.00

Items 41 to 49 of 49 total

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