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Focal Reducers

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  1. 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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    (48 States)
    Model#: RIRED-M82
    $943.00

  2. 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

  3. 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

  4. 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

  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 - 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

  7. 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

  8. 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

  9. 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\", 6'\ , 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

  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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    (48 States)
    Model#: FFFR507X-00
    $379.99

  11. Focal reducer 0.5x with M28.5mm thread

    iNova - Focal reducer 0.5x with M28.5mm thread

    For autoguiding, this iNova accessory is recommended in order to reduce the F-ratio of an instrument (with a high F-ratio) used as a guide telescope (refractor, Maksutov-Cassegrain or Schmidt-Cassegrain).

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    Model#: Focal reducer 0.5x with M28.5mm thread
    $32.40

  12. iNova - Focal reducer 0.72x with C Mount thread

    iNova - Focal reducer 0.72x with C Mount thread

    This iNova accessory features a male C/S mount thread as input and 28.5mm female thread as output (compatible with 1.25’’ filter, or 1.25’’ extension tube).

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    Model#: Focal reducer 0.72x with C Mount thread
    $32.40

  13. 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

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

    Meade - f/6.3 Focal Reducer/Field Flattener

    4-element; 41mm dia ... Learn More
    Model#: 07545
    $87.95

  15. 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

  16. 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

  17. 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

  18. 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
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    (48 States)
    Model#: NGM
    $300.00

  19. Optec - NextGEN MAXfield NGM 0.33X Telecompressor Lens

    Optec - NextGEN MAXfield NGM 0.33X Telecompressor Lens

    Second generation MAXfield telecompressor design with 0.33X reduction. Complete redesign of Optec’s premier f/3.3 reducer provides better color correction and a longer back-focus distance. Now compatible with SBIG’S CFW-8 color wheel. Stk ... Learn More
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    (48 States)
    Model#: 17403
    $250.00

  20. Optec - NextGEN Ultra WideField 0.7XL Telecompressor Lens

    Optec - NextGEN Ultra WideField 0.7XL Telecompressor Lens

    New parfocal 0.7X reduction telecompressor specifically designed to work with Apochromat designs such as the Takahashi FS-series, Astrophysics’, and other high-end refractors ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: 17409
    $295.00

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