Asahi Pentax Super‑Takumar 300mm f4 SMC Telephoto Lens – M42 Mount – Near Mint
Mount: M42 × 1 mm screw thread. Easily adaptable to modern digital systems (Sony E, Fuji X, Canon RF, Nikon Z, Micro Four Thirds, etc.) with inexpensive M42 adapters. Coating: Super‑Multi‑Coated (SMC) for improved contrast and flare resistance.