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  1. Baader Planetarium - 2" NT Steeltrack Crayford focuser

    Baader Planetarium - 2" NT Steeltrack Crayford focuser

    2" Newtonian Low-Profile Steeltrack®Upgrade practically any Newtonian, small or large, with all of the smoothness, precision, and features of Baader Planetarium's 2" Newtonian Low-Profile Steeltrack Focuser. Low Profile ... Learn More
    FREE SHIPPING
    (excludes AK & HI)
    Model#: FOC-NT
    $279.00

  2. Baader Planetarium - 2" RT Steeltrack Crayford focuser with 2" / 1.25" Reducer

    Baader Planetarium - 2" RT Steeltrack Crayford focuser with 2" / 1.25" Reducer

    2" Refractor Steeltrack®Baader Planetarium's 2" Refractor Steeltrack Focuser gives refractors a full 3.1" (80mm) of velvety smooth focusing travel. Easily adaptable to popular refractors ... Learn More
    FREE SHIPPING
    (excludes AK & HI)
    Model#: FOC-RT2
    $299.00

  3. Baader Planetarium - 2" SC Steeltrack Crayford focuser incl. Adapters (#2957036 and 2957037) for SC thread 2"/3,3" and M58

    Baader Planetarium - 2" SC Steeltrack Crayford focuser incl. Adapters (#2957036 and 2957037) for SC thread 2"/3,3" and M58

    2" SC Steeltrack®The Baader 2" SC Steeltrack Focuser enables Schmidt Cassegrains to deliver ultra-smooth focusing with zero image shift. Fits Schmidt Cassegrains from 6" to 14" ... Learn More
    FREE SHIPPING
    (excludes AK & HI)
    Model#: FOC-SC
    $299.00

  4. Baader Planetarium - 3" Focuser Hyperion for Refractor 130mm travel

    Baader Planetarium - 3" Focuser Hyperion for Refractor 130mm travel

    3" Refractor Steeltrack®Baader Planetarium's Giant 3" Refractor Steeltrack Focuser gives large refractor owners the same ultra-smooth focusing and robustness as their 2" focusers, but in an oversized 3" format ... Learn More
    FREE SHIPPING
    (excludes AK & HI)
    Model#: FOC-RT3
    $437.00

  5. FLI - Atlas Digital Focuser

    FLI - Atlas Digital Focuser

    Atlas Large Payload FocuserMaximum Payload: 25lbsPayload at 6" Distance: 10lbs Minimum Travel: 0.35" Resolution per Step: 150nm/step Weight: 3lbs PC Interface: USB 2 ... Learn More
    FREE SHIPPING
    (excludes AK & HI)
    Model#: Atlas
    $2,295.00

  6. FLI - Digital Focuser (50mm Aperture)

    FLI - Digital Focuser (50mm Aperture)

    DF-2 SpecificationsMinimum Travel: 0.20" Number of Steps: 2000 Resolution per Step: 1.25 micron Clear Aperture: 50 mm Weight: 2.0lbs PC Interface: USB 2.0 Telescope Side Threads: 2 ... Learn More
    FREE SHIPPING
    (excludes AK & HI)
    Model#: DF-2
    $995.00

  7. FLI - Precision Digital Focuser (85mm Aperture)

    FLI - Precision Digital Focuser (85mm Aperture)

    Precision Digital FocuserMinimum Travel: 0.35" Number of Steps: 7000 Resolution per Step: 1.25 micron Clear Aperture: 89 mm Weight: 2.4lbs PC Interface: USB 2.0 Telescope Side Threads: 3 ... Learn More
    FREE SHIPPING
    (excludes AK & HI)
    Model#: PDF
    $1,450.00

  8. JMI - Cassegrain Base for EV Focusers

    JMI - Cassegrain Base for EV Focusers

    Base for EV Focuser with 2 inch Cassegrain Thread ... Learn More
    Model#: EV-BASC
    $44.00

  9. JMI - Digital Focus Counter for Celestron SCTs

    JMI - Digital Focus Counter for Celestron SCTs

    DFC for Celestron SCTsCelestron early C5 (dual fork arm), C5 / C5+ (single fork arm), C5-S, C5-SGT, C8, C8+, C8-S, C8-SGT, C11, C14, Celestar 8, Celestar 8 Deluxe, CG-11, CG-14, CGE 1100, CGE 1400, Classic 8, CM-1100, CM-1400, Fastar 8, G-5, G-8, Great ... Learn More
    Model#: DFCC
    $111.00

  10. JMI - Digital Focus Counter for JMI Motofocus

    JMI - Digital Focus Counter for JMI Motofocus

    DFC for JMI MOTOFOCUS UpgradeUpgrades a MOTOFOCUS unit with a piggy-back DFC at the time of purchase (see exceptions below). (MOTOFOCUS units cannot be upgraded with DFC after purchase ... Learn More
    Model#: DFCMF
    $90.00

  11. JMI - Digital Focus Counter for Meade SCTs non-GPS

    JMI - Digital Focus Counter for Meade SCTs non-GPS

    DFC for Meade SCTsMeade 203SC, 2080, 2120, Gem mounted 2080 / 2120, Basic (2080 / 2120), LX2, LX3, LX5, LX6, LX10, LX50 7″ Maksutov / 8″ / 10″, LX90, LX100 8″ / 10″, LX200 7″ Maksutov / 8″, LX200 10″, LX2 ... Learn More
    Model#: DFCM
    $111.00

  12. JMI - Digital Read Out for JMI Motofocus

    JMI - Digital Read Out for JMI Motofocus

    DRO Encoder Assembly for JMI MOTOFOCUSUpgrades a MOTOFOCUS unit with a piggy-back DRO encoder assembly (see exceptions below). This is the portion attached to the MOTOFOCUS motor. A DRO Hand Unit or Smart Focus is also necessary for proper operation ... Learn More
    Model#: DROMF
    $117.00

  13. JMI - Digital Read Out for NGF-CM, NGF-55SM, NGF-55DM Focusers

    JMI - Digital Read Out for NGF-CM, NGF-55SM, NGF-55DM Focusers

    DRO Encoder Assembly for JMI NGF FocuserDigital Read Out for NGF-CM, NGF-55SM, NGF-55DM Focusers This is the portion of a DRO system that attaches to the NGF focuser (Specify the NGF focuser model) ... Learn More
    Model#: DRONGFC
    $90.00

  14. JMI - Digital Read Out for NGF-DX1/ -DX2/ -DX3/ -DX4 Focusers

    JMI - Digital Read Out for NGF-DX1/ -DX2/ -DX3/ -DX4 Focusers

    DRO Encoder Assembly for JMI NGF FocuserNGF-DX1/ -DX2/ -DX3/ -DX4 FocusersThis is the portion of a DRO system that attaches to the NGF focuser (Specify the NGF focuser model). A DRO Hand Unit or Smart Focus is also necessary for proper operation ... Learn More
    Model#: DRONGF
    $90.00

  15. JMI - Digital Read Out for NGF-S Focuser

    JMI - Digital Read Out for NGF-S Focuser

    DRO Encoder Assembly for JMI NGF FocuserDigital Read Out for NGF-S FocuserThis is the portion of a DRO system that attaches to the NGF focuser (Specify the NGF focuser model). A DRO Hand Unit or Smart Focus is also necessary for proper operation ... Learn More
    Model#: DRONGFS
    $90.00

  16. JMI - Digital Read Out for NGF-XT Focuser

    JMI - Digital Read Out for NGF-XT Focuser

    DRO Encoder Assembly for JMI NGF FocuserDigital Read Out for NGF-XT FocuserThis is the portion of a DRO system that attaches to the NGF focuser (Specify the NGF focuser model). A DRO Hand Unit or Smart Focus is also necessary for proper operation ... Learn More
    Model#: DRONGFXT
    $90.00

  17. JMI - Digital Read Out Hand Unit

    JMI - Digital Read Out Hand Unit

    DRO Hand UnitIncludes the hand unit and cable. The hand unit has a red LED four-digit digital display, two directional focusing buttons and a variable speed control ... Learn More
    FREE SHIPPING
    (excludes AK & HI)
    Model#: HUDRO
    $158.00

  18. JMI - EV Event Horizon Focuser Illuminated Dial LED Upgrade

    JMI - EV Event Horizon Focuser Illuminated Dial LED Upgrade

    This upgrade uses an LED to illuminate the focuser positioning dial on any EV focuser. Pressing the switch activates the LED which automatically shuts off (slowly fading to dark) ... Learn More
    Model#: EVUPGLED
    $55.00

  19. JMI - EV-1 Motorized Telescope Focuser for Refractor Telescopes

    JMI - EV-1 Motorized Telescope Focuser for Refractor Telescopes

    EV-1rM Motorized Event Horizon Crayford Focuser - Refractor TelescopesThe JMI Event Horizon EV-1rM is a MOTORIZED 2" black-anodized aluminum focuser with rubber grip knobs and DUAL SPEED operation ... Learn More
    FREE SHIPPING
    (excludes AK & HI)
    Model#: EV1RM
    $525.00

  20. JMI - EV-1 Telescope Focuser (Newtonian Verison ) with Motor

    JMI - EV-1 Telescope Focuser (Newtonian Verison ) with Motor

    EV-1nM Motorized Event Horizon Crayford Focuser - Newtonian TelescopesThe JMI Event Horizon EV-1nM is a MOTORIZED 2" black-anodized aluminum focuser with rubber grip knobs and MOTORIZED DUAL SPEED operation ... Learn More
    FREE SHIPPING
    (excludes AK & HI)
    Model#: EV1NM
    $503.00

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