Asahi Super-Multi-Coated Macro-Takumar 50mm f4 lens mount_Konica AR 9 Schneider-Kreuznach Radionar lens is

9 Schneider-Kreuznach Radionar lens is free of hazing or fungus

The Carl Zeiss 80mm f2

and the autofocus is about as good as you'd expect

But if you have a PB-6 and you need extra extension

8 AIS Nikkor*ED is a classic telephoto lens with Nikon's premium ED glass and lovely image quality- it's just a nice lens

Asahi Super-Multi-Coated Macro-Takumar 50mm f4 lens mount_Konica AR 9 Schneider-Kreuznach Radionar lens isThe Asahi Super Multi Coated Macro Takumar 50mm f4 is a macro lens, designed to provide magnification to 1: 2 without additional extension tubes. In good cosmetic condition, with some paint wear. Clean glass, good function.