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  1. Explore Scientific 2x Explore Scientific Focal Extender 2" Barrel 4 Elements

    Explore Scientific - 2x Explore Scientific Focal Extender 2" Barrel - 4 Elements

    Provides excellent control of chromatic and spherical aberration, and a flatter field-of-view compared to standard barlows.

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    Model#: FE02-020
    $199.99

  2. Starlight Instruments Feather Touch Rotatable 2" Diameter Rack/Pinion Dual Speed 1.5" Draw Tube Travel, Brake, and Compression Ring

    Starlight Instruments - Feather Touch Rotatable 2" Diameter Rack/Pinion Dual Speed 1.5" Draw Tube Travel, Brake, and Compression Ring

    Feather Touch® 2.0" Diameter Rack/Pinion Dual Speed, 1.5" Draw Tube Travel, Brake, and Compression Ring.  The focuser utilizes the pinion assembly of our 3.0" focuser for greater lifting capacity.

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    (48 States)
    Model#: FTF2015BCR-RP
    $540.00

  3. Starlight Instruments - Lightweight Feather Touch Rotatable 2" focuser with 1.5" Draw Tube travel, Brake, and Compression Ring

    Starlight Instruments - Lightweight Feather Touch Rotatable 2" focuser with 1.5" Draw Tube travel, Brake, and Compression Ring

    Lightweight Feather Touch Rotatable 2" focuser with 1.5" Draw Tube travel, Brake, and Compression Ring.

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    (48 States)
    Model#: FTF2015BCR-LW
    $465.00

  4. Starlight Instruments - Feather Touch Micro for Celestron C-14 Edge HD Schmidt-Cassegrain Telescope

    Starlight Instruments - Feather Touch Micro for Celestron C-14 Edge HD Schmidt-Cassegrain Telescope

    If your telescope is less than a few years old, check the style of the back cell to see which version of the Feather Touch® SCT Micro Focuser you need: If your telescope has a flat back (left picture), you need the standard "C" Micro Focuser.

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    (48 States)
    Model#: FTM-C14HD
    $310.00

  5. Starlight Instruments - FB-2NDFOCUSER---Board Upgrade For Controlling 2 Focusers At The Same Time.

    Starlight Instruments - FB-2NDFOCUSER---Board Upgrade For Controlling 2 Focusers At The Same Time.

    This upgrade allows you to control 2 focusers simultaneously.  If you do not already have a 2nd motor, you will need to purchase a 2nd motor for this upgrade from the drop down box, if you already have an extra motor, please check the not needed box.

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    Model#: FB-2ndFOCUSER
    $60.00

  6. Starlight Instruments - FB-HANDCONTROLLER---Hand Controller For Manual Focuser Control

    Starlight Instruments - FB-HANDCONTROLLER---Hand Controller For Manual Focuser Control

    Hand Controller for manully controlling the electronic focuser via the push buttons on the hand pad. ... Learn More
    Model#: FB-HANDCONTROLLER
    $159.00

  7. Starlight Instruments - FB-TEMP---Thermistor For Temperature Control

    Starlight Instruments - FB-TEMP---Thermistor For Temperature Control

    External Thermistor for temperature control of electronic focuser. In the software download there is a step-by-step instructions on setting up and running the Temperature Compensation feature in the Temp Comp Wizard part of the software. ... Learn More
    Model#: FB-TEMP
    $85.00

  8. Starlight Instruments - FB-II--Electronic Focusing System

    Starlight Instruments - FB-II--Electronic Focusing System

    The Focuser Boss II digital system comes with a digital hub, stepper motor, power supply and a motor cable. You will need to choose the motor from the drop down box. ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: FB-II
    $489.00

  9. Starlight Instruments - FB-WIFI--Wireless Contorl Of Electronic Focuser

    Starlight Instruments - FB-WIFI--Wireless Contorl Of Electronic Focuser

    The WiFi upgrade is a wireless option that allows you to use your Smart Phone or IPAD to control the focuser.  This feature allows you to control your focuser wireless without having any cables attached.  A wireless router is not requried but is recommended.

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    Model#: FB-WiFi
    $155.00

  10. AstroSystems - Feathertouch focuser (TeleKit SFL accessory)

    AstroSystems - Feathertouch focuser (TeleKit SFL accessory)

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    Model#: FeathertouchfocuserSFL
    $200.00

  11. AstroSystems - Feathertouch Focuser

    AstroSystems - Feathertouch Focuser

    The Moonlite CR-2 focuser is standard on the TeleKit.  It features precision roller bearings, Crayford no backlash friction drive and has smooth focusing at high power with 8:1 fine focus.

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    (48 States)
    Model#: TK-feathertouch
    $269.00

  12. QSI - WSG Focus Adjustment Disk

    QSI - WSG Focus Adjustment Disk

    This 0.225" (5.6mm) optical disk can be placed between some guide cameras (e.g. Orion SSAG) and the T-mount Guide Camera Adapter to allow the guide camera to acheive critical focus parfocal with the main sensor.

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    Model#: AC5-WSG-FAD
    $10.00

  13. ASA - OK3 Focuser

    ASA - OK3 Focuser

    Astrosysteme Austria is pleased to announce the OK3-Z electronic focuser. With a 20kg payload and improved stability, the ASA OK Focuser is still compatible with all ASA Astrographs as well as other telescopes from other manufacturers.

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    Model#: ASAOK3
    $1,280.00

  14. JMI MicroFocus for Meade ETX LS-6/LS-8

    JMI - MicroFocus for Meade ETX LS-6/LS-8

    MicroFocus is a push-on two-speed manual focus mechanism that attaches to the shaft of an SCT focuser knob (or the knob itself) for precise focusing.

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    (48 States)
    Model#: MRFLS6
    $239.00

  15. MRFMR

    JMI - Meade Cassegrain-Round Knob

    The Meade Cassegrain Telescope MicroFocus with Round Knob from JMI Telescopes is a push-on 2-speed manual focus mechanism that attaches to the shaft of an SCT focuser knob (or the knob itself) for precise focusing.

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    (48 States)
    Model#: MRFMR
    $239.00

  16. JMI - Meade Cassegrain-Hexagonal Knob

    JMI - Meade Cassegrain-Hexagonal Knob

    The Meade Cassegrain Telescope MicroFocus with Hexagonal Knob from JMI Telescopes is a push-on 2-speed manual focus mechanism that attaches to the shaft of an SCT focuser knob (or the knob itself) for precise focusing.

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    (48 States)
    Model#: MRFMH
    $239.00

  17. Takahashi 10:1 Micro Edge Focuser for FC/FS/Epsilon/Mewlon Series

    Takahashi - 10:1 Micro Edge Focuser for FC/FS/Epsilon/Mewlon Series

    Now you can get absolute precision focus with this 10:1 Crayford style focuser.

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    (48 States)
    Model#: TFF0002
    $237.90

  18. TFF0001

    Takahashi - 10:1 MicroEdge Focuser

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

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    (48 States)
    Model#: TFF0001
    $249.95

  19. Starlight Instruments - Feather Touch 3" Diameter Dual Speed Focuser with 1.5" DTT, Brake, and Integral Teflon Coupled 109mm Threaded Collar

    Starlight Instruments - Feather Touch 3" Diameter Dual Speed Focuser with 1.5" DTT, Brake, and Integral Teflon Coupled 109mm Threaded Collar

    Feather Touch 3" Diameter Dual Speed Focuser with 1.5" DTT, Brake, and Integral Teflon Coupled 109mm Threaded Collar.

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    (48 States)
    Model#: FTF3015B
    $535.00

  20. Starlight Instruments - Feather Touch 2.5" Diameter Dual Speed Focuser 1.5" DTT, Brake, with Integral 95mm x 1mm Teflon Coupled Collar

    Starlight Instruments - Feather Touch 2.5" Diameter Dual Speed Focuser 1.5" DTT, Brake, with Integral 95mm x 1mm Teflon Coupled Collar

    Feather Touch 2.5" Diameter Dual Speed Focuser 1.5" DTT, Brake, with Integral 95mm x 1mm Teflon Coupled Collar.

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    (48 States)
    Model#: FTF2515B
    $509.00

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