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Focusers

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  1. 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

  2. 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

  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-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

  5. JMI - RCF-mini1 (Reverse Crayford Focuser 1.25 ") without Motor
  6. 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

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