Thread: How can I tell if/whether my 4.5" mirror is spherical/parabolic
View Single Post
  #1  
Old 04-09-2008, 09:56 PM
ColHut (Colin)
Registered User

ColHut is offline 		 
Join Date: Jul 2006
Location: Perth WA
Posts: 266
How can I tell if/whether my 4.5" mirror is spherical/parabolic
And does it matter at f8. The tube is a Bushnell but the manufacturer is Synta I think. Are the Skywatcher f8 4.5" mirrors parabolic or spherical.

cheers
Reply With Quote