Model: 12-20mm F2.8 (Model A084)
Angle of View (Diagonal): 121°58′–94°30′ (for full-frame mirrorless format)
Optical Construction: 17 elements in 12 groups (1 XLD, 3 LD, 1 XGM, 3 GM lens elements)
Minimum Object Distance (MOD): 0.18 m / 7.1 in (WIDE) | 0.28 m / 11.1 in (TELE)
Maximum Magnification Ratio: 1:5.8 (WIDE) | 1:9.1 (TELE)
Filter Size: Integrated rear filter holder
Maximum Diameter: φ90 mm
Aperture Blades: 12 (circular diaphragm, remains nearly circular up to 2 stops down)
Minimum Aperture: F16
Included Accessories: Front cap, Rear cap, Wrapping cloth, Non-removable integrated flower-shaped hood
Length: 121.3 mm (4.8 in)
Weight: 585 g (20.7 oz)
Licensing: Developed, manufactured, and sold under license agreement with Nikon Corporation