The optics are clean and show no signs of fungus. There is no grease on the aperture blades.
Asahi Pentax SMC f2.8 28mm prime lens PK fit
Tomioka Opt. Co. Tominon C 50mm / 5cm f2 for M42 Mount - RARE
Asahi Pentax M42 fit Super-Takumar f2.0 55MM fast prime lens
Asahi Pentax Takumar 55mm f2 Lens (M42)#5383893 *READ DESCRIPTION*
Vintage Pentax Super Takuma 55mm F2 m42 screw mount lens small fungus works OK
Asahi Super-Takumar 55mm F/2 Lens - M42 Mount
