Pentax Super-Takumar 135mm f3.5 m42 Screw Mount Lens -Clean-
This is the well-regarded Pentax screw mount 135mm lens in excellent condition. M42 lenses are excellent for adapting to mirrorless for video, this one would make a great long lens addition to your kit.
The glass is clean and scratch-free and the mechanical action is very smooth. This is a beautiful lens.
Caps and the shade are included.