Focus on Refractors (repository of in-focus info)
Posted 30 November 2005 - 10:32 AM
How to collimate a refractor
Posted 31 January 2006 - 07:59 PM
Thanks for the short refractor comparison table. Just what I needed. I'm looking to replace an old Orion 80 with an up to date model for the March eclipse.
Enjoy the dark,
Posted 09 February 2007 - 12:12 AM
I love building telescopes but until tonight, they were all reflectors.
Today I ordered a A. Jaegers catalog# 13B 1159.from Surplus Shed. 110mm by 1069 F/L. Should make a great planetary scope, me thinks.
These are the non-cemented crown and flint to make the ". . legendary A. Jaegers Optics objective!" SS says that these can be cemented, air spaced or taped together. Edge thickness is 21mm (when together).
I barely understand what they are saying but am committed to learning. Your post makes it easier.
Posted 17 February 2007 - 08:41 PM
Posted 18 February 2007 - 12:40 AM
Posted 18 February 2007 - 09:53 AM
Oh.. too bad. May I know where can I locate the thread again?
The refractor comparison table has been removed at the request of its original poster.
Posted 31 May 2007 - 02:53 PM
Posted 14 March 2009 - 01:59 PM
Posted 24 December 2009 - 09:58 PM
none of links work
Click on the archive link on the pages you are directed to to see the topics.