Nikon AF 20mm f2.8D Lenses
Specifications
| Focal length | 20mm |
| Picture angle | 94° with film (F-series) SLRs 70° with digital (D-series) SLRs |
| Maximum aperture | f/2.8 |
| Minimum aperture marked on scale | f/22 |
| Lens construction | 12 elements in 9 groups |
| Minimum focus distance | 0.25m (9.8 inches) |
| Maximum reproduction ratio | 1:8.3 |
| Filter attachment size | 62mm |
| Dimensions: diameter x extension from lens mount (approx.) | 69mm x 42.5mm (2.71" x 1.67") |
| Weight (approx.) | 270g (0.59lb) |
| Hood | HB-4 (optional) |
| Case | CL-S1, CL-30S, CL-37 (optional) |
| Usable teleconverters | TC-201 or TC-14A |
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