Carl Zeiss Jena MC Flektogon 20mm f/2.8
Carl Zeiss Jena · 1970-1990
A serious ultra-wide with impressive specifications. The 94° field of view and 0.19m close focus create dramatic perspectives. Built-in petal hood and relatively low distortion make it practical.
Known for
- Architecture
- Landscape
- Interiors
- Creative perspectives
Considerations
- Some barrel distortion
- Corner softness wide open
- Large 77mm filters
Optical Characteristics
Bokeh: Pleasant for ultra-wide
Rendering: Dynamic with low distortion for 20mm
Color: Rich, saturated
Versions
f/4 Zebra (early)
1965-1970
f/4 max, zebra pattern
Original design, less common
f/2.8 MC (late)
1970-1990
f/2.8, black body, red MC
Faster, improved coating
An impressive ultra-wide for its era. The f/2.8 version with close focus makes it remarkably versatile. Low distortion for a 20mm lens.
Common Issues
- Focus ring grease
- Hood damage
- Coating wear
Buying Guide
Check built-in hood for damage. Test corner sharpness stopped down. MC versions are more practical. Great value for ultra-wide.
Specifications
Optical Design
Pricing
Typical used price
Mint: ~£400
Premium for ultra-wide focal length