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  1. 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

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    (48 States)
    Model#: EV2N

    Available - Ships in 2-4 Days

    $279.00

  2. 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
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    (48 States)
    Model#: EV3CM

    Available - Ships in 2-4 Days

    $369.00

  3. 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
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    (48 States)
    Model#: EV3NM

    Available - Ships in 2-4 Days

    $379.00

  4. 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
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    (48 States)
    Model#: EV3C

    Available - Ships in 2-4 Days

    $209.00

  5. 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
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    (48 States)
    Model#: EV3N

    Available - Ships in 2-4 Days

    $219.00

  6. 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

    Available - Ships in 2-4 Days

    $89.00

  7. 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

  8. JMI EV-XT Cassegrain Extreme Telescope Focuser with Motor- 3"

    JMI - EV-XT Cassegrain Extreme Telescope Focuser with Motor - 3"

    A 3" black-anodized (gold-anodized optional) aluminum "Extreme" focuser designed for use on large (10" to 16") Cassegrain Telescopes (EV-XTc) with standard output threads and Newtonian Telescopes (EV-XTn).

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    (48 States)
    Model#: EVXTCM

    Available - Ships in 2-4 Days

    $749.00

  9. JMI EV-XT Cassegrain Extreme Telescope Focuser without Motor - 3"

    JMI - EV-XT Cassegrain Extreme Telescope Focuser without Motor - 3"

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    (48 States)
    Model#: EVXTC

    Available - Ships in 2-4 Days

    $579.00

  10. JMI - EV-XT Newtonian Extreme Telescope Focuser with Motor- 3"

    JMI - EV-XT Newtonian Extreme Telescope Focuser with Motor- 3"

    A 3" black-anodized (gold-anodized optional) aluminum "Extreme" focuser designed for use on large (10" to 16") Cassegrain Telescopes (EV-XTc) with standard output threads and Newtonian Telescopes (EV-XTn).

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    (48 States)
    Model#: EVXTNM

    Available - Ships in 2-4 Days

    $749.00

  11. JMI - EV-XT Newtonian Extreme Telescope Focuser without Motor- 3"

    JMI - EV-XT Newtonian Extreme Telescope Focuser without Motor- 3"

    A 3" black-anodized (gold-anodized optional) aluminum "Extreme" focuser designed for use on large (10" to 16") Cassegrain Telescopes (EV-XTc) with standard output threads and Newtonian Telescopes (EV-XTn).

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    (48 States)
    Model#: EVXTN

    Available - Ships in 2-4 Days

    $579.00

  12. JMI Explore Scientific Focuser, Configuration 3 - Crayford

    JMI - Explore Scientific Focuser, Configuration 3 - Crayford

    The JMI MOTOFOCUS product for Explore Scientific Configuration 3 has been modified so that it also fits Configuration 4.  The net effect is that part number MFESC4 is now obsolete and has been replaced by MFESC3.

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    Model#: MFESC3

    Available - Ships in 2-4 Days

    $199.00

  13. JMI - Extra-Large-Format Cassegrain Base for EV Telescope Focusers

    JMI - Extra-Large-Format Cassegrain Base for EV Telescope Focusers

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    Model#: ev-basx

    Available - Ships in 2-4 Days

    $98.00

  14. 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

    Available - Ships in 2-4 Days

    $25.00

  15. 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

    Available - Ships in 2-4 Days

    $25.00

  16. JMI - Focuser Hardware Pack

    JMI - Focuser Hardware Pack

    When purchasing a new focuser, all necessary hardware is included. This hardware pack is intended as a source of replacement or extra parts ... Learn More
    Model#: NGFHDWPK

    Available - Ships in 2-4 Days

    $31.00

  17. MFGSO...

    JMI - GSO Crayford Focusers

    GSO Crayford FocusersComments:GSO 2" Crayford focusers with and without Microfocuser retrofit ... Learn More
    Model#: MFGSO...

    Available - Ships in 2-4 Days

    $179.00

  18. JMI - Meade Cassegrain-Hexagonal Knob

    JMI - Meade Cassegrain-Hexagonal Knob

    The Meade Cassegrain Telescope MicroFocus with Hexagonal Knob 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.

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    (48 States)
    Model#: MRFMH

    Available - Ships in 2-4 Days

    $239.00

  19. MRFMR

    JMI - Meade Cassegrain-Round Knob

    The Meade Cassegrain Telescope MicroFocus with Round Knob 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.

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    Model#: MRFMR

    Available - Ships in 2-4 Days

    $239.00

  20. JMI - Meade Lightbridge 8/10/12/16 ? GSO 2" Crayford focuser

    JMI - Meade Lightbridge 8/10/12/16 ? GSO 2" Crayford focuser

    This JMI Motofocus electric focuser is designed for use with the GSO (Guan Sheng Optical Co. Ltd. in Taiwan) Crayford focusers used on Meade 8", 10", and 12" LightBridge Truss-tube Dobsonian reflectors ... Learn More
    Model#: MFWO2

    Available - Ships in 2-4 Days

    $149.95

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