Non-vignetting adapter for mounting an NGF-S or NGF-SE focuser on a 10″ or larger SCT with 3″ or 4″ diameter threads. An optional light shield blocks all stray light that may penetrate the focuser bearing cavity.
|Name||JMI - Large Format SCT Visual Back Adapter- 4" dia. threads,|
|Manufacturer||Jims Mobile, Inc. (JMI)|