prime35mmcurrent
Leica Summilux-M 21mm f/1.4 ASPH
Leica · 2008-present
Ultra-fast ultra-wide. Unique lens with remarkable performance.
Known for
- Astrophotography
- Architecture
- Low light interiors
Considerations
- Extremely expensive
- Large and heavy
- Requires external viewfinder
Optical Characteristics
Sharpness (wide)5/5
Sharpness (stopped)5/5
Contrast5/5
Flare Resistance4/5
CA Control4/5
Vignetting Control3/5
Distortion Control4/5
Bokeh: Exceptional for ultra-wide
Common Issues
- Check rangefinder coupling
- Inspect focus mechanics
Buying Guide
Specifications
MountLeica M
Focal Length21mm
Max Aperturef/1.4
Min Aperturef/16
Aperture Blades9
Filter Size58mm
Weight580g
Optical Design
FormulaBiogon
Elements10
Groups8
CoatingMulti-Coated
Special2 aspherical
Pricing
£6000 - £7500
Typical used price
Mint: ~£8500
Adapts To
Sony ELeica SLLeica TLNikon ZCanon RF
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