Thread: Bahtinov masks - hood/dewshield on or off?
View Single Post
  #2  
Old 26-08-2009, 01:13 PM
Dennis
Dazzled by the Cosmos.

Dennis is offline 		 
Join Date: May 2005
Location: Brisbane
Posts: 11,820
The difference is due to the C8 having a significantly longer focal length. Plug a x2 Barlow into the ED80 and the diffraction pattern will double in size.

Cheers

Dennis
Reply With Quote