This is the portion of a DRO system that attaches to the JMI EV or NGF focuser. (Specify the focuser model.) A DRO Hand Unit or Smart Focus is also necessary for proper operation. Due to the modular design of the JMI EV focusers, they can be very easily upgraded after purchase to include DRO. If you do not have a motorized version, see our EV Focuser Individual Parts for a motor upgrade.
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|Name||JMI - Encoder Assembly for a JMI EV Focuser|
|Manufacturer||Jims Mobile, Inc. (JMI)|