This is a professional (EF Mount) Camera large apperture meduim telephoto Lens made by the Sigma Brand for Canon....one of the best 85mm F1.4 Dept of field fast prime lens you can get to tell your stories either in Visuals or Still...Very Sharp picture quality & its no different from new as the lens have not been much in use. Clean 9 blade glass made in Japan and in A1 condition. 9.5 rating over 10. No single scratch.Contact only if interested. You can as well view reviews online to know much about this lens.Cheers!