Kinoptik Apochromat f/2 cinema lens - 50mm. Serial number: No. 17519. C mount for 16mm camera. Presence of the mention "Photometric calibration 'T'" suggesting scientific use. 
Good condition. Presence of some traces of wear. The aperture and focus rings work properly. Lens no scratch, no peeling, no haze, no fungus. Presence of some dust. 

Antiq-Photo establishment
Kinoptik Apochromat f/2 cinema lens - 50mm. Serial number: No. 17519. C mount for 16mm camera. Presence of the mention "Photometric calibration 'T'" suggesting scientific use.  Good condition. Presence of some traces of wear. The aperture and focus rings work properly. Lens no scratch, no peeling, no haze, no fungus. Presence of some dust.