Here's a Schneider-Kreutznach PC-Curtagon 4/35mm.

Serial number: 12865868, made in the 70's for SLR cameras with M42 screw mount.

This is a special purpose shift-lens that can change the axis of the optics.

Clean condition, with signs of moderate use on barrel.

Working well.

Optics is clean, just a little dust inside.

Please have a look at my other auctions for more items, - I’d happily combine shipping costs.
Good luck!