Focusers
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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 SHIPPINGModel#: EV3NM(48 States)
$369.00 -
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 -
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 SHIPPINGModel#: EV3N(48 States)
$209.00 -
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
... Learn MoreModel#: EVUPG75
$89.00 -
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 -
JMI - Extra-Large-Format Cassegrain Base
Base for EV Focuser with 4 inch Cassegrain Thread ... Learn More
Model#: EV-BASX
$84.00 -
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 -
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 -
JMI - Model mini2 Newtonian Focuser with Motor
... Learn More
FREE SHIPPINGModel#: NGF-mini2M(48 States)
$290.00 -
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JMI - Model mini3 Newtonian Focuser with Motor
... Learn More
FREE SHIPPINGModel#: NGF-mini3M(48 States)
$260.00 -
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JMI - Model miniC Cassegrain Focuser with Motor
... Learn More
FREE SHIPPINGModel#: NGF-miniCM(48 States)
$290.00 -
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JMI - Model XT Cassegrain Focuser with Motor
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FREE SHIPPINGModel#: NGF-XTcM(48 States)
$652.00 -
JMI - Model XT Cassegrain Focuser without Motor
JMI - Model XT Cassegrain Focuser without Motor ... Learn More
FREE SHIPPINGModel#: NGF-XTc(48 States)
$512.00 -
JMI - Model XT Newtonian Focuser with Motor
... Learn More
FREE SHIPPINGModel#: NGF-XTnM(48 States)
$652.00 -
JMI - Model XT Newtonian Focuser without Motor
... Learn More
FREE SHIPPINGModel#: NGF-XTn(48 States)
$512.00 -
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 -
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



















