Ad for the Celestron 10 and Celestron 22! Post author:Earl Post published:December 8, 2012 Post category:Celestron / Telescopes Post comments:0 Comments Old magazine ad for the Celestron 10, Celestron 16 and Celestron 22. And I thought lugging my Celestron C14 around was a pain! You Might Also Like Schmitt-Cassegrain Collimation Made Easy Using a Duncan Mask | Alpha Lyrae August 23, 2019 Sharper Focus -Part 1- The Why and How of Adaptive Optics April 17, 2018 Telescope sizes over the years. April 17, 2017 Leave a Reply Cancel replyYou must be logged in to post a comment.