Happily Serving You in the Same Location for Over 58 Years!

Welcome!

Focusers

Items 1 to 20 of 62 total

per page
Page:
  1. 1

Set Ascending Direction
  1. JMI - Smart Focus

    JMI - Smart Focus

    The Smart Focus system allows one to remotely control a JMI focuser or MOTOFOCUS unit (not included) using computer software.  Popular CCD software (not included) can be used to automatically focus a CCD camera (a couple of examples are listed below).

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: SFDRO
    $399.00

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

  4. 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

  5. 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

  6. 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

  7. 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

  8. JMI PC Focus Control

    JMI - PC Focus Control

    ... Learn More
    Model#: PCFC
    $179.00

  9. JMI - NGF Focuser Upgrade

    JMI - NGF Focuser Upgrade

    A DFC can be added as an option to any JMI NGF focuser. (After-purchase upgrades require return of focuser to JMI ... Learn More
    Model#: DFCJ
    $74.95

  10. JMI - Model miniC Cassegrain Focuser without Motor
  11. JMI - Model miniC Cassegrain Focuser with Motor

    JMI - Model miniC Cassegrain Focuser with Motor

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

  12. JMI - Model mini3 Newtonian Focuser without Motor
  13. JMI - Model mini3 Newtonian Focuser with Motor

    JMI - Model mini3 Newtonian Focuser with Motor

    ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: NGF-mini3M
    $260.00

  14. JMI - Model mini2 Newtonian Focuser without Motor
  15. 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

  16. 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.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: MRFLS6
    $239.00

  17. MRFCGE14

    JMI - MicroFocus for Celestron CGE 1400

    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.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: MRFCGE14
    $239.00

  18. JMI - MicroFocus for Celestron C11-SGT, CGE 1100, NexStar 11 GPS

    JMI - MicroFocus for Celestron C11-SGT, CGE 1100, NexStar 11 GPS

    The gray carbon fiber MicroFocus for Celestron NexStar 11 GPS Telescope 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.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: MRFNEX11
    $239.00

  19. JMI Celestron CPC 800/925 and Celestron C8

    JMI - MicroFocus Celestron CPC 800/925 and Celestron C8

    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.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: MRFC8
    $239.00

  20. JMI - Microfocus Celestron CPC 1100

    JMI - Microfocus Celestron CPC 1100

    The MicroFocus for Celestron CPC 1100 Telescope 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.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: MRFCPC11
    $239.00

Items 1 to 20 of 62 total

per page
Page:
  1. 1

Set Ascending Direction