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Focal Reducers

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  1. 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

  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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
    $149.00

  9. Denkmeier - 2 " Star*Sweeper for SCTs (Reducer)

    Denkmeier - 2 " Star*Sweeper for SCTs (Reducer)

    This is the original Patent Pending Denkmeier SCT Richfield Star*Sweeper that changed the way that binoviewers are used on SCT telescopes and many Maksutovs as well. These reducers cannot be used with Newtonians or Refractors because back focus is limited ... Learn More
    Model#: STSW-2
    $149.00

  10. Explore Scientific 3" Field Flattener .7x Focal Reducer for ED APO 152mm f/8

    Explore Scientific - 3" Field Flattener .7x Focal Reducer for ED APO 152mm f/8 - Includes 2" Adapter for Explore Scientific new style focusers

    3-inch filed flattener and 0.7x reducer for Explore Scientific 152mm ED APO.

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    FREE SHIPPING
    (48 States)
    Model#: FFFR507X-00
    .

    Regular Price: $844.99

    Special Price: $379.99

  11. FP496

    Farpoint - Focal Reducer - F 0.5 & F 0.33 focal reducer for 1.25 " telescope nosepieces

    F0.5 & F0.33 focal reducerFits standard 1.25" focusersTwo lens system for better correctionImproved green multicoatingMetal and glass constructionExposure TimesWhen attached to a telescope the f0 ... Learn More
    Model#: FP496
    $50.00

  12. Lumicon - 2.5X CCD Compressor Lens for 1.25 Imagers

    Lumicon - 2.5X CCD Compressor Lens for 1.25 Imagers

    The 2.5X CCD Compressor Lens is used to widen the field-of-view of 1.25" Digital Imagers on refractors and SCTs. The LL1025 threads into the "nose-piece" of 1.25" Digital Imagers ... Learn More
    Model#: LL1025
    $142.95

  13. Meade - f/6.3 Focal Reducer/Field Flattener

    Meade - f/6.3 Focal Reducer/Field Flattener

    4-element; 41mm dia ... Learn More
    Model#: 07545
    $129.00

  14. Officina Stellare - 78mm 2-Lens Reducer/Flattner for Pro RC Telescopes

    Officina Stellare - 78mm 2-Lens Reducer/Flattner for Pro RC Telescopes

    The Officina Stellare 78mm 2-Lens Reducer/Flattner was designed specifically for use with Officina Stellare Pro Ritchey Chretien Telescope and flattened, 0.75x focal reducers.

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    Model#: RCFRD
    $1,708.00

  15. Officina Stellare - Four element Superred 0.62x focal reducer

    Officina Stellare - Four element Superred 0.62x focal reducer

    Great focus reducer that works for all Officina Stellare Hiper APO Refractors!

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    Model#: SUPERRED
    $1,877.00

  16. HIPERRFS

    Officina Stellare - Hiper APO 0.75x Reducer 40mm

    Great focus reducer that works for all Officina Stellare Hiper APO Refractors!

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    Model#: HIPERRFS
    $1,224.00

  17. Officina Stellare - Hiper APO 0.75x Reducer 52mm

    Officina Stellare - Hiper APO 0.75x Reducer 52mm

    Great focus reducer that works for all Officina Stellare Hiper APO Refractors!

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    Model#: HIPERRFL
    $1,337.00

  18. Optec - Lepus 6.2 Telecompressor

    Optec - Lepus 6.2 Telecompressor

    The Lepus 0.62X is a new 4-element telecompressor available from Optec that has been specifically designed to work with newer Schmidt-Cassegrain telescopes such as the Meade ACF or the Celestron EdgeHD optical tube assemblies.

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    Model#: 19407
    $199.00

  19. Optec - Next Generation Corrector 3-" f/7.5 Telecompressor Kit.

    Optec - Next Generation Corrector 3-" f/7.5 Telecompressor Kit.

    Optec has developed the NGC 316 corrector, the first in our series of 3" telecompressors. We designed this corrector specifically for the classic Meade 16" Schmidt Cassegrain Telescope ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: NGC_316
    $1,250.00

  20. Optec - NextGEN MAXfield 0.33X Telecompressor Kit.

    Optec - NextGEN MAXfield 0.33X Telecompressor Kit.

    The Optec NGM (Next Generation MaxField) telecompressor increases the effective speed of the Meade and Celestron Schmidt-Cassegrain telescopes from f/10 to f/3.3 ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: NGM
    $300.00

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