| Attribute | Value |
|---|---|
| Lens Construction | 12 elements in 9 groups |
| Diameter | 66 mm |
| Diagonal Angle of View | 94.00 degree |
| Aperture | 2.80 - 22.00 f |
| Notes | Classic Nikon F Mount; AIS / AI / NAI Metering Compatibility; Includes front and rear lens caps. |
| Filter Size | 62 mm |
| Magnification Ratio | 0.12 x |
| Closest Focus | 0.25 m |
| Focus Details | Manual Focus Only; Close Range Correction |
| Length | 43 mm |
| Diaphragm Blades | 7 |
| APS Equivalent | 30mm |
| Focal Length | 20.00 mm |
| Image Circle | 35mm (FX) |
| Brand | Nikon |
| Name | Nikon 20mm f/2.8 AIS Nikkor |
| Weight | 260 g |
| Type | Wide Prime |
| 35mm Equivalent | Add |
| Effective Reduction in Aperture | Add |
| Focal Length Multiplier | Add |
| APS-C Equivalent | Add |
| Zoom System | Add |
| Diaphragm Blades Type | Add |
| Front Element Rotation | Add |