Lovely Vivitar 135mm F2.8 M42 mount lens. I am not sure possibly Komine manufactured? Please correct me if I am wrong.

This is a beautiful lens, solidly made, with bright 8 blade 2.8 aperture, beautifully metal knurled focus ring and built-in lens hood. Everything works as it should.The focus is silky smooth, the glass is clean and free from scratches, fungus or haze. The aperture Is silky smooth.

Comes complete with rear lens cap and zipped lens pouch.