Thread: GSO 8" Classic Cassegrain Review
View Single Post
  #10  
Old 17-04-2020, 10:15 AM
doug mc's Avatar
doug mc
Registered User

doug mc is offline 		 
Join Date: Feb 2007
Location: Mt Tamborine
Posts: 590
Orion Telescopes has a manual for these scopes with collimation instructions.
Reply With Quote