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Focusers

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  1. 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
    $19.00

  2. JMI - Model XT Cassegrain Focuser with Motor

    DISCONTINUED: JMI - Model XT Cassegrain Focuser with Motor

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    FREE SHIPPING
    (48 States)
    Model#: NGF-XTcM
  3. JMI - Model XT Cassegrain Focuser without Motor

    DISCONTINUED: JMI - Model XT Cassegrain Focuser without Motor

    JMI - Model XT Cassegrain Focuser without Motor ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: NGF-XTc
  4. JMI - Model XT Newtonian Focuser with Motor

    DISCONTINUED: JMI - Model XT Newtonian Focuser with Motor

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    FREE SHIPPING
    (48 States)
    Model#: NGF-XTnM
  5. JMI - Extra-Large-Format Cassegrain Base for EV Telescope Focusers
  6. JMI - Encoder Assembly for a JMI EV Focuser

    JMI - Encoder Assembly for a JMI EV Focuser

    This is the portion of a DRO system that attaches to the JMI EV or NGF focuser. (Specify the focuser model.)

    ...
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    Model#: DROEV
    $139.00

  7. 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

  8. 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

  9. 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

  10. 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

  11. 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

  12. 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

  13. JMI - Digital Read Out for JMI Motofocus
  14. 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
    $99.00

  15. 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
    $119.00

  16. JMI - Digital Focus Counter for Celestron SCTs
  17. JMI - Model XT Newtonian Focuser without Motor
  18. JMI - EV-VMC Event Horizon Focuser Upgrade - Vixen Cassegrain

    JMI - EV-VMC Event Horizon Focuser Upgrade - Vixen Cassegrain

    Vixen VMC 200, VMC 260The EV-VCM Upgrade makes the following changes to an EV-1c, EV-2c or EV-3c focuser to prepare it to replace the stock focuser on the Vixen Cassegrain:1) Upgrade to a special Vixen Cassegrain Base ... Learn More
    Model#: EVUPGVMC
    $80.00

  19. 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

  20. JMI - EV-75 Event Horizon Focuser Upgrade - LXD75 SN-6/8/10

    JMI - EV-75 Event Horizon Focuser Upgrade - LXD75 SN-6/8/10

    Meade LXD55 SN-6 / SN-8 / SN-10, LXD75 SN-6 / SN-8 / SN-10 The EV-75 Upgrade makes the following changes to an EV-1n, EV-2n or EV-3n focuser to prepare it to replace the stock focuser on the Meade Schmidt-Newtonian: this is only valid at the time of purch

    ...
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    Model#: EVUPG75
    $89.00

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