Thread: First Light Zenith Star 66 Petzval
View Single Post
  #2  
Old 07-12-2007, 05:05 PM
Dennis
Dazzled by the Cosmos.

Dennis is offline 		 
Join Date: May 2005
Location: Brisbane
Posts: 11,822
Welcome to the “dark side” of refractors and astro photography! It can be a roller coaster ride, but gee, its fun!

In terms of focusing, a quick and cheap solution is to use the Hartman Mask. Have a read of this article by 1ponders.

Cheers

Dennis
Reply With Quote