Carl Zeiss Jena electric MC  Flektogon 35mm f2.8 

Wide Angle Prime Lens, M42 mount.

Serial number 1523. 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 case, front and rear caps. 

Please check images for more details.