Focuser Upgrade Kits
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JMI - Cassegrain Base for EV Focusers
Base for EV Focuser with 2 inch Cassegrain Thread ... Learn More
Model#: EV-BASC
$44.00 -
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



















