This 25″ Obsession gets SDMed! Of particular note are the new Delrin blocks and a ply UTA baffle – but look closely and you will see plenty of other tell-tale SDM features too.
SDM Telescopes
20-40 inch custom built classic style Dobsonians
This 25″ Obsession gets SDMed! Of particular note are the new Delrin blocks and a ply UTA baffle – but look closely and you will see plenty of other tell-tale SDM features too.
