Thread: Focal reducer flattener for 80ED
View Single Post
  #3  
Old 18-02-2006, 11:03 AM
Striker's Avatar
Striker (Tony)
Whats visual Astronomy

Striker is offline 		 
Join Date: Dec 2004
Location: Brisbane
Posts: 5,062
Nice bert.....how much ??????

My calcualtions make it a F4 at that focal length...very nice

Can you supply them for the group.
Reply With Quote