Focal length: 24mm Maximum aperture: f/1.4 Minimum aperture: f/16 Lens construction: 12 elements in 10 groups (with two ED glass and two aspherical lens elements, and Nano Crystal Coat) Angle of view: 84 degree (61 degree with Nikon DX format) Closest focusing distance: 0.25 m/0.82 ft. Maximum reproduction ratio: 0.18x No. of diaphragm blades: 9 (rounded) Filter/attachment size: 77mm Diameter x length (extension from the camera's lens-mount flange): Approximately 83 x 88.5 mm Weight: Approximately 620 g/21.9 oz. Package Content1 Nikon AF-S NIKKOR 24mm f/1.4G ED Lens1 77mm Snap-on Front Lens Cap LC-771 Rear Lens Cap LF-11 Bayonet Hood HB-511 Flexible Lens Pouch CL-1118