prime35mmdiscontinued
Nikkor 20mm f/2.8 AI-S
Nikon · 1984-2021
A 94-degree ultra-wide with excellent edge-to-edge sharpness. CRC maintains performance at close focus. Remarkably compact for such a wide lens. Kept in production until 2021.
Known for
- Landscape
- Architecture
- Astrophotography
- Interiors
- Dramatic perspectives
Considerations
- Some barrel distortion
- Vignetting wide open
- 62mm filter size (not standard Nikon 52mm)
Optical Characteristics
Sharpness (wide)4/5
Sharpness (stopped)5/5
Contrast4/5
Flare Resistance4/5
CA Control4/5
Vignetting Control3/5
Distortion Control3/5
Bokeh: Not relevant at this focal length
Rendering: Wide perspective, good edge sharpness
Color: Neutral
Common Issues
- Focus ring wear
- Hood bayonet wear
Buying Guide
Exceptional quality for the price. Check close focus mechanism works smoothly. The 62mm filter size differs from the common Nikon 52mm standard.
Specifications
MountNikon F
Focal Length20mm
Max Aperturef/2.8
Min Aperturef/22
Aperture Blades7
Min Focus0.25m
Filter Size62mm
Weight270g
Optical Design
FormulaRetrofocus
Elements12
Groups9
CoatingNIC (Nikon)
SpecialCRC (Close Range Correction)
Pricing
£300 - £450
Typical used price
Mint: ~£550
Prices increased since 2021 discontinuation
Adapts To
Sony EFujifilm XCanon RFNikon Z
Compatible Cameras
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Last verified: Jan 2026Report an error