prime35mmdiscontinued
Nikkor 18mm f/3.5 AI-S
Nikon · 1981-2005
Extreme ultra-wide rectilinear perspective. 100-degree field of view while maintaining straight lines. Complex optical design with CRC for close-focus capability.
Known for
- Extreme wide landscapes
- Architecture interiors
- Real estate
- Dramatic perspectives
Considerations
- Significant distortion
- Complex to master
- Expensive for the aperture
Optical Characteristics
Sharpness (wide)3/5
Sharpness (stopped)4/5
Contrast4/5
Flare Resistance3/5
CA Control3/5
Vignetting Control3/5
Distortion Control3/5
Bokeh: Not relevant at this focal length
Rendering: Ultra-wide perspective, some distortion
Color: Neutral
Common Issues
- CRC mechanism wear
- Hood damage
Buying Guide
A specialist lens requiring careful composition. Check CRC mechanism works smoothly. The built-in hood is integral - ensure it's not damaged.
Specifications
MountNikon F
Focal Length18mm
Max Aperturef/3.5
Min Aperturef/22
Aperture Blades7
Min Focus0.25m
Filter Size72mm
Weight350g
Optical Design
FormulaRetrofocus
Elements13
Groups10
CoatingNIC (Nikon)
SpecialCRC (Close Range Correction)
Pricing
£350 - £500
Typical used price
Mint: ~£650
Specialist ultra-wide, moderate demand
Adapts To
Sony EFujifilm XCanon RFNikon Z
Compatible Cameras
Find This Lens
Last verified: Jan 2026Report an error