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  1. JMI - RCF-mini1 (Reverse Crayford Focuser 1.25 ") with Motor

    JMI - RCF-mini1 (Reverse Crayford Focuser 1.25 ") with Motor

    Factory Assembled with MotorPlease Note: When using a laser collimator, keep in mind that there will be slight deviations in the laser beam when moving the drawtube through the full length of travel ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: RCFMIN1M
    $256.00

  2. JMI - RCF-mini1 (Reverse Crayford Focuser 1.25 ") without Motor
  3. JMI - RCF Drawtube Upgrades

    JMI - RCF Drawtube Upgrades

    RCF focusers come standard with a 3″ length drawtube. The following part number is for upgrading the drawtube length to 4.6″ at the time of purchase of an RCF focuser ... Learn More
    Model#: RCFDTUPGRADE
    $19.00

  4. JMI - RCF Base Plate

    JMI - RCF Base Plate

    All RCF focusers can be purchased with either a flat base or curved base (specify RCF model and ″flat″ or ″curved″ base). The standard radius on a 1.25″ RCF curved base is 3.75″ (7.5″ diameter) ... Learn More
    Model#: RCFBASE
    $16.00

  5. JMI - EV-1 Telescope Focuser with Motor (Cassegrain version)

    JMI - EV-1 Telescope Focuser with Motor (Cassegrain version)

    EV-1cM Motorized Event Horizon Crayford Focuser - Cassegrain TelescopesThe JMI Event Horizon EV-1cM is a MOTORIZED 2" black-anodized aluminum focuser with rubber grip knobs and MOTORIZED DUAL SPEED operation ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: EV1CM
    $509.00

  6. JMI EV-2 Telescope Focuser without Motor (Newtonian version)

    JMI - EV-2 Telescope Focuser without Motor (Newtonian version)

    EV-2n  Event Horizon 2" Crayford Focuser - Newtonian TelescopesThe JMI Event Horizon EV-2n is a  2" black-anodized aluminum focuser with rubber grip knobs. The focuser can lift up to 8lbs

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: EV2N
    $269.00

  7. JMI - Model miniC Cassegrain Focuser without Motor
  8. JMI - Model mini2 Newtonian Focuser with Motor

    JMI - Model mini2 Newtonian Focuser with Motor

    ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: NGF-mini2M
    $290.00

  9. JMI - Model mini2 Newtonian Focuser without Motor
  10. JMI - EV-3 Telescope Focuser with Motor (Cassegrain version)

    JMI - EV-3 Telescope Focuser with Motor (Cassegrain version)

    EV-3cM Motorized Event Horizon Crayford Focuser - Cassegrain TelescopesThe JMI Event Horizon EV-3cM is a MOTORIZED 2" black-anodized aluminum focuser with  knurled aluminum grip knobs and Hand Control Unit ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: EV3CM
    $359.00

  11. JMI - EV-3 Telescope Focuser without Motor (Cassegrain version)

    JMI - EV-3 Telescope Focuser without Motor (Cassegrain version)

    EV-3c  Event Horizon 2" Crayford Focuser - CassegrainTelescopesThe JMI Event Horizon EV-3c is a 2" black-anodized aluminum focuser with knurled knobs.  The focuser lifts up to 4 pounds ... Learn More
    Model#: EV3C
    $199.00

  12. JMI - EV-3 Telescope Focuser with Motor (Newtonian version)

    JMI - EV-3 Telescope Focuser with Motor (Newtonian version)

    EV-3cN Motorized Event Horizon Crayford Focuser - Newtonian TelescopesThe JMI Event Horizon EV-3cN is a MOTORIZED 2" black-anodized aluminum focuser with  knurled aluminum grip knobs and Hand Control Unit ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: EV3NM
    $369.00

  13. JMI - EV-3 Telescope Focuser without Motor (Newtonian version)

    JMI - EV-3 Telescope Focuser without Motor (Newtonian version)

    EV-3n  Event Horizon 2" Crayford Focuser - NewtonianTelescopesThe JMI Event Horizon EV-3n is a 2" black-anodized aluminum focuser with knurled knobs.  The focuser lifts up to 4 pounds ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: EV3N
    $209.00

  14. JMI - EV-2 Telescope Focuser with Motor (Cassegrain version)

    JMI - EV-2 Telescope Focuser with Motor (Cassegrain version)

    EV-2cM Motorized Event Horizon Crayford Focuser - Cassegrain TelescopesThe JMI Event Horizon EV-2cM is a MOTORIZED 2" black-anodized aluminum focuser with rubber grip knobs

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: EV2CM
    $419.00

  15. JMI - EV-2 Telescope Focuser without Motor (Cassegrain version)

    JMI - EV-2 Telescope Focuser without Motor (Cassegrain version)

    EV-2c  Event Horizon 2" Crayford Focuser - Cassegrain TelescopesThe JMI Event Horizon EV-2c is a  2" black-anodized aluminum focuser with rubber grip knobs.  The focuser can lift up to 8lbs ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: EV2C
    $259.00

  16. JMI - EV-2 Telescope Focuser with Motor (Newtonian version)

    JMI - EV-2 Telescope Focuser with Motor (Newtonian version)

    EV-2nM Motorized Event Horizon Crayford Focuser - Refractor TelescopesThe JMI Event Horizon EV-2nM is a MOTORIZED 2" black-anodized aluminum focuser with rubber grip knobs ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: EV2NM
    $429.00

  17. JMI - RCF-1 (Reverse Crayford Focuser 2 ") with Motor

    JMI - RCF-1 (Reverse Crayford Focuser 2 ") with Motor

    Factory Assembled with MotorPlease Note: When using a laser collimator, keep in mind that there will be slight deviations in the laser beam when moving the drawtube through the full length of travel ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: RCF1M
    $277.00

  18. JMI - RCF-1 (Reverse Crayford Focuser 2 ") without Motor

    JMI - RCF-1 (Reverse Crayford Focuser 2 ") without Motor

    Factory Assembled without MotorPlease Note: When using a laser collimator, keep in mind that there will be slight deviations in the laser beam when moving the drawtube through the full length of travel ... Learn More
    Model#: RCF1
    $149.00

  19. JMI - EV-3 Motorized Telescope Focuser for Refractor Telescopes

    JMI - EV-3 Motorized Telescope Focuser for Refractor Telescopes

    EV-3rM Motorized Event Horizon Crayford Focuser - Refractor TelescopesThe JMI Event Horizon EV-3rM is a MOTORIZED 2" black-anodized aluminum focuser with knurled aluminum grip knobs. Lift capacity 4lbs. Hand control unit ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: EV3RM
    $429.00

  20. JMI - Digital Focus Counter for Celestron SCTs

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