Starlight EC35-505-3CR---End Cap 3.5" with 3.0" Compression Ring openingThis end cap fits the Feather Touch 3.5" focusers and has a 3.0" compression ring ...
Starlight Adapter to 2" Schmidt Cassegrain Thread for 2" FTF20.. Focuser... best use with FTF2015BCR Scope specific adapter attaches to the 2"-24tpi thread on the rear cell of Schmidt-Cassegrain/Maksutov-Cassegrain telescopes
Starlight Adapter for 3" FTF3015B-A focuser to big Celestron SCT Thread... the adapter connects the 3" Starlight FeatherTouch focuser to Celestron SC and EHD 11" and 14" telescopes.