Specifications Focal length 50 mm Maximum aperture f/1.2 Minimum aperture f/16 Lens construction 17 elements in 15 groups (including 2 ED glass and 3 aspherical lens elements, and elements with Nano Crystal Coat and ARNEO Coat) Angle of view FX format: 47° DX format: 31°30′ Minimum focus distance 0.45 m/1.48 ft from focal plane Maximum reproduction ratio 0.15x Diaphragm blades 9 (rounded diaphragm opening) Filter-attachment size 82 mm (P = 0.75 mm) Dimensions Approximately 89.5 mm/3.6 in. maximum diameter x 150 mm/ 6 in. (distance to end of lens from camera lens mount flange) Weight Approximately 1090 g/2 lb 6.5 oz Supplied accessories LC-82B Lens Cap (front cap), LF-N1 Lens Cap (rear cap), HB-94 Lens Hood, CL-C2 Lens Case Show More Show Less
