Carl Zeiss Jena Flektogon 35mm f2.8 

Wide Angle Prime Lens, M42 mount.

Serial number 9352218. Made in Germany, DDR

MINT condition. 

Focus ring is nice and smooth.

Aperture blades are snappy at all settings.

There is no oil or rust on aperture blades.

Optic is very well. No fungus, no haze, no cleaning marks. 

Filter thread is intact and accepts filters properly.

Lens comes with front and rear caps. 

Please check images for more details.