Интерфейс слайд-проектора Crestron CNSC-1A/CNSCI-1A

This item is a Century Tele-Athenar 50mm f2.8 Movie Camera Lens. – 50 mm – f 2.8 – Coated – 6″ – Filter attachment with damaged filter of unknown wavelength included – Rear lens element is missing – C mount – BL800474