Awesome Leica/Leitz 35mm Summicron-R lens, with a Canon EF mount conversion appears to be Leitax or similar - as it is chrome, however, it can sometimes cause slight flaring under certain conditions, and it may be best to change it out for a black adapter at some point. The lens draws a truly beautiful image, and it is fully functioning condition and ready for use in cinema applications with its Canon EF mount, and pre-installed (removable) step-up rings which allow you to use normal filter sizes in front of this lens. Slight wear, consistent with the lenses age is present - please check all photos before purchasing and ask any questions you may have about this lens. The glass is clean and clear, please see detailed images of the lens + aperture blades.