500mm mirror lens › Forums › General Discussion › Samyang 500mm f6.3 DX mirror lens › 500mm mirror lens 16 November 2019 at 1:29 am #581606 Steve KnightParticipant Have no experience with the Samyang lens but I have an Opteka 500mm f8 mirror lens and for £85 new on Amazon very happy. 2012 solar eclipse.
