Mitakon (Zhongyi) Speedmaster 85mm F/1.2 Manual Focus Prime Lens Full-Frame for CANON EF Mount DSLR Cameras JARAY & Mitakon (ZhongYi) We are the Good Biz Partner. you may buy all MITAKON lenses from us. Mitakon Speedmaster 85mm f/1.2 Lens - 'The Dream'. Available in Canon EF / Nikon F / Sony E / Pentax K Mounts. Lens instruction: 9 elements in 6 groups (2pcs of Extra-low Disperson Glasses & 4pcs High Refractive Index Glasses) Min. Focus Distance about 1 meter(3.3feet) / Filter Thread 77mm / Net Weight: 921 gram = 2.0 lb Good Protection! Come with zhongyi Original Lens Box. *ALL METAL Barrel*