Just got my new (to me) Soligor 500mm f8 mirror lens from circa 1975. It's still in near perfect condition and will probably stay that way for another 45 years. : r/BuyItForLife
Soligor C/D Mirror Lens F8 500mm for Olympus OM-1 OM-2 and - Etsy
Soligor 500mm f8 Mirror Lens has anyone used this?