prime35mmvintage
Canon FD 20mm f/2.8 S.S.C.
Canon · 1975-1989
Canon's ultra-wide workhorse. The 20mm focal length provides dramatic perspectives. Well-corrected with good sharpness. Built-in hood protects the bulbous front element.
Known for
- Architecture
- Landscape
- Interiors
- Creative perspectives
Considerations
- Some barrel distortion
- 72mm filters expensive
Optical Characteristics
Sharpness (wide)4/5
Sharpness (stopped)5/5
Contrast4/5
Flare Resistance4/5
CA Control3/5
Vignetting Control3/5
Distortion Control3/5
Bokeh: N/A for ultra-wide
Rendering: Wide perspective, good correction
Color: Neutral Canon science
Versions
FD (breech-lock)
1975-1979
Chrome nose ring
Classic design
New FD
1979-1989
All-black, bayonet
Updated mount
Canon's serious ultra-wide. 94° field of view with well-controlled distortion. Built-in hood is practical. Close 0.25m focus enables creative work.
Common Issues
- Focus ring wear
- Hood damage
- Coating scratches
Buying Guide
Check built-in hood for damage. Test focus throughout range. Good value ultra-wide.
Specifications
MountCanon FD
Focal Length20mm
Max Aperturef/2.8
Min Aperturef/16
Aperture Blades6
Min Focus0.25m
Filter Size72mm
Weight345g
Optical Design
FormulaRetrofocus
Elements10
Groups6
CoatingSSC (Canon)
Pricing
£150 - £280
Typical used price
Mint: ~£350
Desirable ultra-wide
Adapts To
Sony EFujifilm XCanon RFMicro Four Thirds
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