This is the lens that is considered a classic by pro's.This a more current model that followed the original lens. It is the 7 element model and has the right number stamped in the Auto-Manual slide #37908.Comes with both caps, is without any mold in the lenses, no scratches on lens faces, front and back. Serial# 6165882.
This model has the hard rubber on the focus ring and is nubby. M42 screw mount.
The SMC coatings are the best of Asahi optical's own unique 7-layer lens coating process, that eliminates both flare and ghost images and transmits more light for vivid colors