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.
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|Name||JMI - Focuser Backup Plate - Flat|
|Manufacturer||Jims Mobile, Inc. (JMI)|