View Single Post
  #11  
Old 11-02-2009, 09:55 AM
JethroB76's Avatar
JethroB76 (Jeff)
Registered User

JethroB76 is offline
 
Join Date: Oct 2005
Location: Tassie
Posts: 1,105
Quote:
Originally Posted by Wavytone View Post
I have also done some tests to find out the effect on your pupil is arising from the image you see in your scope - while you may be able to achieve much more than 6 mm fully dark adapted, within seconds of putting your eye to the scope, if there are some nice bright "diamonds" in the field of view - open clusters in particularly - your pupil will shrink in seconds. A safer bet is a 5 mm pupil IMHO in most conditions.

Wavy, how did you test the effect of bright objects in the EP on your pupil diameter?
Reply With Quote