Sony 12.5-75mm F1.8 lens C-MOUNT LENS  lens In a great shape with focusing properly, aperture opens nd closes s it shoulda nd Optics are in a great shape with some light dust specs. barrel does show wear. . You can use this on Bolex H16 cameras or even Sony NEX series, A7,A7 Mark II, Nikon Mirrorless, canon mirrorless cameras with appropriate adaptor not included.