Specifications
- Mount
- Nikon F
- Focal length
- 20mm
- Maximum aperture
- f/3.5
- Minimum aperture
- f/22
- Construction
- 11 elements in 9 groups
- Closest focus
- 0.3 m
- Filter
- 72mm
- Diameter × length
- 75 × 69.5 mm
- Weight
- 390 g
- Focus
- Manual
- Series
- Pre-AI (Auto)
Source: Nikon brochure "Nikkor Interchangeable Lenses" (pre-AI), PDF page 11 (manufacturer document)
All 20mm Nikon F lenses · JSON: /api/v1/lenses/nikon-nikkor-ud-auto-20mm-f3-5