Thread: Imaging at long focal lengths
View Single Post
  #1  
Old 28-08-2013, 07:54 PM
Hans Tucker (Hans)
Registered User

Hans Tucker is offline 		 
Join Date: Jul 2008
Location: Melbourne
Posts: 2,463
Imaging at long focal lengths
Is it a pointless exercise to try and image with an f/12 refractor?
Reply With Quote