I once owned a 6-inch f/15 Jaegers objective that I mounted in an aluminum tube and observed with near Mt. Pinos a few times in the mid-1970s before selling it to a friend for $300. Boy, do I regret selling it now!
-------------------- I don't get no respect, but my scopes do! ----------------------------------------------
1961 Swift 60mm model 839 (2); 2003 TV-102/GM-8; 1959 8" f/6 Treckerscope; 1959 8" f/7.4 Murray Scope; 1959 Fecker Celestar-4; 1978 4" Edmund Astroscan; c. 1986 4-inch Celestron-Vixen SP-C102; c. 1950 20X60 Saturn spotting scope; 1963 7X50 Nippon Kogaku binoculars; Unitron #114 alt-az mount (Swifty-tron)