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Focusers

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  1. 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

  2. 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

  3. 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

  4. 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

  5. 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

  6. JMI - Extra-Large-Format Cassegrain Base

    JMI - Extra-Large-Format Cassegrain Base

    Base for EV Focuser with 4 inch Cassegrain Thread ... Learn More
    Model#: EV-BASX
    $84.00

  7. JMI - Focuser Backup Plate - Curved

    JMI - Focuser Backup Plate - Curved

    For adding support when mounting JMI EV, NGF (1.25" and 2") or RCF focusers on Sonotube (cardboard) or wooden optical tubes. (Will not work with the EV-75 Upgrade.) The plates can be easily curved or flattened as needed ... Learn More
    Model#: ADPTBUPC
    $19.00

  8. JMI - Focuser Backup Plate - Flat

    JMI - Focuser Backup Plate - Flat

    For adding support when mounting JMI EV, NGF (1.25" and 2") or RCF focusers on Sonotube (cardboard) or wooden optical tubes. (Will not work with the EV-75 Upgrade.) The plates can be easily curved or flattened as needed ... Learn More
    Model#: ADPTBUPF
    $19.00

  9. 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

  10. JMI - Model mini2 Newtonian Focuser without Motor
  11. 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

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

  14. JMI - Model miniC Cassegrain Focuser without Motor
  15. JMI - Model XT Cassegrain Focuser with Motor

    JMI - Model XT Cassegrain Focuser with Motor

    ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: NGF-XTcM
    $652.00

  16. JMI - Model XT Cassegrain Focuser without Motor

    JMI - Model XT Cassegrain Focuser without Motor

    JMI - Model XT Cassegrain Focuser without Motor ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: NGF-XTc
    $512.00

  17. JMI - Model XT Newtonian Focuser with Motor

    JMI - Model XT Newtonian Focuser with Motor

    ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: NGF-XTnM
    $652.00

  18. JMI - Model XT Newtonian Focuser without Motor

    JMI - Model XT Newtonian Focuser without Motor

    ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: NGF-XTn
    $512.00

  19. 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

  20. 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

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