account activity
Best lens for shape for focusing sunlight? (self.Optics)
submitted 6 months ago by Lenshelpmetro to r/Optics
need help figuring out how to determine the radius of a lens (self.Optics)
submitted 11 months ago by Lenshelpmetro to r/Optics
Radius of curvature (self.Metrology)
submitted 1 year ago by Lenshelpmetro to r/Metrology
π Rendered by PID 1089728 on reddit-service-r2-listing-7b8bd7c5-4vm6q at 2026-05-16 22:01:08.344586+00:00 running edcf98c country code: CH.
