This vintage Dallmeyer 1'' (25mm) f/1.9 cine motion picture lens is for use with C mount cameras and adapters. There are a couple of light scuff marks and some light discoloration on its exterior and there is a very light haze inside of it. Its focus and aperture adjustments are both smooth and its glass is free of any fungus or separation to its elements. There is no oil on its aperture blades.