Thread: Stellarium v10.2 Ocular plugin with Exit Pupil
View Single Post
  #25  
Old 06-06-2009, 03:53 PM
TrevorW
Registered User

TrevorW is offline 		 
Join Date: Aug 2006
Location: Western Australia
Posts: 8,281
Exit Pupil = DO/M

M = FO/FE

where FO= focal length objective FE = focal length of EP

DO= diameter objective
Reply With Quote