Focal length 24 mm Maximum aperture f/1.8 Minimum aperture f/16 Lens construction 12 elements in 10 groups (including 1 ED glass and 4 aspherical lens elements, and elements with Nano Crystal Coat) Angle of view FX format: 84° DX format: 61° Minimum focus distance 0.25 m/0.82 ft from focal plane Maximum reproduction ratio 0.15x Diaphragm blades 9 (rounded diaphragm opening) Filter-attachment size 72 mm (P = 0.75 mm) Dimensions Approximately 78.0 mm maximum diameter x 96.5 mm (distance from camera lens mount flange) Weight Approximately 450 g/15.9 oz Supplied accessories LC-72B Lens Cap (front cap), LF-N1 Lens Cap (rear cap), HB-88 Lens Hood, CL-C1 Lens Case Show More Show Less
