Type Nikon Z mount
Format FX/35 mm
Focal length 20 mm
Maximum aperture f/1.8
Minimum aperture f/16
Lens construction 14 elements in 11 groups (including 3 ED elements, 3 aspherical elements, and elements with Nano Crystal Coat)
Angle of view FX format: 94°, DX format: 70°
Focusing system Internal focusing system
Minimum focus distance 0.2 m (0.66 ft) from focal plane
Maximum reproduction ratio 0.19x
No. of diaphragm blades 9 (rounded diaphragm opening)
Filter attachment size 77 mm (P = 0.75 mm)
Diameter x length (extension from lens mount) Approx. 84.5 mm (3.4 in.) maximum diameter x 108.5 mm (4.3 in.) (distance from camera lens mount flange)
Weight Approx. 505 g (1 lb 1.9 oz)
Autofocus Yes
Internal focusing Yes
Focusing Auto, Manual
Supplied accessories LC-77B Lens Cap (front cap), LF-N1 Lens Cap (rear cap), HB-95 Lens Hood, CL-C1 Lens Case