Hybrid aspherical lens elements
and ED glass elements for high-resolution and high-contrast images, Used as 21mm (converted to 135 format) wideangle lens when attached to the Nikon DX-format digital SLRs, RF (Rear Focusing) system for fast and smooth optical performance.
Specifications
| Number of diaphragm blades | 7 |
| Minimum f/sto | 22 |
| Closest focusing distanc | 0.2m |
| Maximum reproduction ratio | 1/6.7 |
| Macro focusing | N/A |
| Focus-limit switch: | N/A |
| M/A mode | N/A |
| Focus lock button | N/A |
| Wight (approx.): | 670g |
| Lens cap | Slip-on |
| Lens hood | Built-in |
| Lens case | CL-S2 (supplied) |
| Tripod collar | N/A |
| External front filter attachment frame | N/A |
| External front filter | N/A |
| Slip-on filter | N/A |
| Built-in/rear filter | Rear attachment type gelatin filter |
| Circular polarizing filter | N/A |
| Circular polarizing filter II | N/A |
| AF-3 | N/A |
| AF-4 | N/A |
| Infrared compensation scale | Does have |
| Aperture ring | Does have |
| Distance scale | Does have |
| Material of bayonet ring | Metal |
| Dimensions (approx.) (from the camera lens mounting flange) | 87—86.5 mm |
| Supplied accessories | Slip-on front lens cap, Rear lens cap LF-1, Rear attachment filters |
| Lens construction | 14 elements in 12 groups (1 ED glass element and 2 aspherical lenses) |
| Picture angle | 114° [90° with Nikon digital cameras (Nikon DX format)] |
