Rack & Pinion Focusers

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  1. Stellarvue - R50FA Camera Ring

    $68.00
    SKU: STV-R50FA

    Wait Time is 3-5 Days

    The Stellarvue R50FA rings are specifically designed to mount Stellarvue 50 - 60 mm finder scopes to the Feather Touch 2.5” or 3.5” focusers only. They will not mount to Feathertouch 2" focusers, The shoe of the ring mounts onto these specific focusers, to a flat surface, or to a tube that is 4” or larger in diameter. It is necessary to obtain 8-32 screws of the proper length in order to prevent damages and scratches. 

  2. PrimaLuceLab - 50.8mm Hybrid-Drive Focuser for Schmidt-Cassegrain

    $225.00
    SKU: PRI-PLL-FHDSC50

    This Item Will Be Available in 4-6 Weeks

    The PrimaLuceLab Hybrid-Drive 50.8mm focuser for Schmidt Cassegrain solves the issue that is common in most other internal focusers in which the primary mirror is moved that can have a negative affect on exposures with planetary small sensors. The Hybrid-Drive focuser solves the issue by being screwed in the back of the telescopes SC thread.

  3. PrimaLuceLab - 2.7" Hybrid-Drive Focuser for Refractors

    $460.00
    SKU: PRI-PLL-FHDR27

    In stock

    The PrimaLuceLab 2.7" Hybrid-Drive Focuser. The normal issue of camera slippage during exposures in astro-imaging that is typical with Crayford focusers is avoided with the Hybrid-Drive focuser due to the mechanical precision in which it is built. Under the focuser tube, a rack and pinion is added to manage heavy cameras. A locking screw is also located under the focuser to ensure the camera will not move.

  4. PrimaLuceLab - 2" Hybrid-Drive Focuser for Refractors

    $350.00
    SKU: PRI-PLL-FHDR2

    This Item Will Be Available in 4-6 Weeks

    The PrimaLuceLab 2" Hybrid-Drive Focuser. The normal issue of camera slippage during exposures in astro-imaging that is typical with Crayford focusers is avoided with the Hybrid-Drive focuser due to the mechanical precision in which it is built. Under the focuser tube, a rack and pinion is added to manage heavy cameras. A locking screw is also located under the focuser to ensure the camera will not move.

  5. PrimaLuceLab - 50.8mm Hybrid-Drive Focuser for Newton

    $210.00
    SKU: PRI-PLL-FHDN50

    This Item Will Be Available in 4-6 Weeks

    The PrimaLuceLab 50.8mm Hybrid-Drive focuser is the ideal answer for observers searching for the highest quality focuser for imaging application at a very reasonable price!

  6. Explore Scientific - 2" Focuser for Explore ED80CF

    $119.99
    SKU: EXP-FOCEDCRBN01

    Wait Time is 3-5 Days

    Explore Scientific 2" ED Focuser for 80 ED Carbon Fiber.

  7. Stellarvue - 2.5" Dual Speed Focuser with Synta/Orion Adapter

    $299.00
    SKU: STV-FSVF25-ED80

    Wait Time is 3-5 Days

    This Stellarvue 2.5" dual speed rack and pinion focuser features a fully rotating design, 80mm of focus travel and includes an Orion/ Synta adapter to attach to their 80mm and 120mm refractors.
    FREE SHIPPING(48 States)
  8. Stellarvue - 2.5" Focuser for Early Model Nighthawks 80/9D

    $299.00
    SKU: STV-FSVF25-NH

    Wait Time is 3-5 Days

    The Stellarvue 2.5" dual speed focuser offers 80mm of focus travel, and includes a 2" - 1.25" adapter for visual use. This focuser is intended for use on Stellarvue's early model Nighthawk, 80mm and 90mm refractors.
    FREE SHIPPING(48 States)
  9. Stellarvue - 2.5" Dual-Speed Focuser

    $265.00
    SKU: STV-FSVF25

    Wait Time is 3-5 Days

    FREE SHIPPING(48 States)
  10. Astro-Physics - 2.7" Focuser

    $645.00
    SKU: ASP-27FOC3E

    Wait Time is 3-5 Days

  11. Explore Scientific - 2" Focuser for Comet Hunter Telescopes with Extension Tubes

    $119.99
    SKU: EXP-FOCCMTHTR00

    Wait Time is 3-5 Days

  12. Explore Scientific - 2" Focuser for Achromatic Refractors

    $109.99
    SKU: EXP-FOCDAR00

    Wait Time is 3-5 Days

    Explore Scientific 2" Focuser for Achromatic Refractors
  13. Explore Scientific - 2" Focuser for ED APO Refractors

    $169.99
    SKU: EXP-FOCEDAPO00

    Wait Time is 3-5 Days

    Explore Scientific 2" Focuser for ED APO telescopes

  14. Takahashi - 10:1 MicroEdge Focuser

    $292.00
    SKU: TAK-TKA00734

    Wait Time is 3-5 Days

    The Takahashi 10:1 MicroEdge Focuser provides precision requirements for a wide variety of Takahashi telescopes.

    FREE SHIPPING(48 States)
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