View Single Post
  #22  
Old 15-02-2014, 11:02 PM
brian nordstrom (As avatar)
Registered User

brian nordstrom is offline
 
Join Date: Apr 2007
Location: Perth WA
Posts: 4,374
Smallest , I think Dunk being an f2.5 primary as apposed to the f2 of every other Meade and Celestron SCT made so its light cone is narrower , hence smaller .
Sorry mate but you are wrong on this . . A simple ray trace will confirm this .
Brian
Quote:
Originally Posted by Camelopardalis View Post
Interesting aside that Damian Peach often chooses to image with a C9.25...the Celestron SCT with the largest diameter secondary obstruction
Reply With Quote