Thread: [SOLD] Skywatcher 60mm Zoom Guide Scope / Spotting Scope w' Tripod
View Single Post
  #3  
Old 10-02-2011, 08:34 AM
Logieberra's Avatar
Logieberra (Logan)
Registered User

Logieberra is offline 		 
Join Date: Mar 2010
Location: Canberra
Posts: 1,644
It's hard to say David...

Between F/5 to F/5.8 perhaps... (300 to 350mm?)