Astro Tech/GSO/TPO Ritchey–Chrétien

RC/TPO Telescopes

Telescope ModelOTA ThreadFocuserAdapter 
6/8″ RCM90x1FTF2015BCR A20-271OR
  FTF1515BCR / FTF1515BCR-DSA15-1503-2 
10/12/14/16″ RCM117x1FTF3015B-AA30-1903-40OR 

The 3.0″ Feather Touch focusers need an end cap and the most popular end cap for the 3.0″ focuser is the 2″ compression ring end cap but we also have threaded end caps for a more secure image train and these end caps are sold separately