prime35mmdiscontinued
Olympus OM Zuiko 21mm f/3.5
Olympus · 1973-2002
Super wide-angle with excellent correction for its focal length. Very compact for 21mm.
Known for
- Architecture
- Interiors
- Landscapes
Considerations
- Slow aperture
- Some distortion
Optical Characteristics
Sharpness (wide)4/5
Sharpness (stopped)5/5
Contrast4/5
Flare Resistance3/5
CA Control3/5
Vignetting Control3/5
Distortion Control3/5
Common Issues
- Check for fungus
- Inspect aperture blades
Buying Guide
Specifications
MountOlympus OM
Focal Length21mm
Max Aperturef/3.5
Min Aperturef/22
Aperture Blades6
Filter Size49mm
Weight230g
Optical Design
FormulaRetrofocus
Elements11
Groups9
CoatingMulti-Coated
Pricing
£200 - £350
Typical used price
Mint: ~£450
Adapts To
Sony EFujifilm XCanon RF
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Last verified: Jan 2026Report an error