SMC Pentax-A 50mm f2 flatbed The Noct-Nikkor is a classic

The Noct-Nikkor is a classic aspherical lens designed to minimize spherical aberration and sagittal coma wide open

for a bit of extra control with heavy loads

as long as they have a B50-size front fitting

Well you can't stop me from hitting the publish button before I

SMC Pentax-A 50mm f2 flatbed The Noct-Nikkor is a classicThe SMC Pentax A 50mm f2 is a compact standard lens for Pentax K mount cameras, and includes the electrical contacts necessary for some automatic exposure modes. In very good condition, with the notable exception of an identification engraving on the barrel of the lens. Otherwise, all is well, with clean glass and good function.