I simply completed constructing this 17.5” telescope with a classic mirror from the 1980s! : area


After about 2 months of working obsessively on this, I lastly accomplished my 17.5” f/4.5 Dobsonian telescope! If you happen to’d wish to see the progress from begin to end, be happy to learn via my Cloudy Nights thread: https://www.cloudynights.com/topic/746807-175-f45-truss-tube-dobsonian-build-first-build/

There’s nonetheless some work to be finished, like varnishing the wooden and understanding some mechanical stuff… however the “Mark I” of it’s full!



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