Expanded Specifications Nikon NIKKOR Z 20mm f1.8 S Lens
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| 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 |
