Thread: Jaw dropping optics from TEC
View Single Post
  #2  
Old 28-12-2012, 02:23 PM
mithrandir's Avatar
mithrandir (Andrew)
Registered User

mithrandir is offline 		 
Join Date: Jan 2009
Location: Glenhaven
Posts: 4,161
Quote:
Originally Posted by clive milne View Post
http://www.baader-planetarium.de/tec...300mm_7deg.pdf

A modified 12" houghton cassegrain that can cover a full 16803 chip with pixel limited images.....

at a focal ratio of;

drum roll...


f1.44
Got a spare $US45-60K? CloudyNights has a post with that price range.
Reply With Quote