Thread: Is It Diagonal, Is It Secondary
View Single Post
  #9  
Old 29-07-2006, 09:31 AM
Starkler's Avatar
Starkler (Geoff)
4000 post club member

Starkler is offline 		 
Join Date: Sep 2004
Location: Melbourne
Posts: 4,900
So if the 45 degree mirror in a newtonian is called a diagonal, what would you call that 90 degree mirror adapter that refractor and sct users put their eyepieces in ?
Reply With Quote