View Single Post
  #12  
Old 22-07-2010, 11:12 AM
gbeal
Registered User

gbeal is offline
 
Join Date: Oct 2004
Location: New Zealand
Posts: 4,346
Quote:
Originally Posted by gregbradley View Post
The 55/4 and 200/4 you refer to are the Pentax 67's? Do you get a lot of chromatic aberration?


Greg.
Not overly, if at all.
This is from the other night, using the 55.
Of course with narrow band it doesn't matter a hoot either, as in the Rosette.
Attached Thumbnails
Click for full-size image (Sag-Wide2-P55.jpg)
211.8 KB65 views
Click for full-size image (NGC2239.jpg)
137.8 KB73 views
Reply With Quote