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Leica Summilux-M 50mm f/1.4 ASPH

Leica · 2004-present

The ultimate M-mount 50mm. Sharp wide open with beautiful rendering.

Known for

  • Low light
  • Portraits
  • Street photography

Considerations

  • Very expensive
  • Large for M-mount

Optical Characteristics

Sharpness (wide)
5/5
Sharpness (stopped)
5/5
Contrast
5/5
Flare Resistance
4/5
CA Control
4/5
Vignetting Control
3/5
Distortion Control
4/5

Bokeh: Magnificent, smooth and creamy

Rendering: The ultimate Leica rendering

Common Issues

  • Check rangefinder coupling
  • Inspect focus mechanics

Buying Guide

Specifications

MountLeica M
Focal Length50mm
Max Aperturef/1.4
Min Aperturef/16
Aperture Blades9
Filter Size46mm
Weight335g

Optical Design

FormulaDouble Gauss
Elements8
Groups5
CoatingMulti-Coated
Special1 aspherical

Pricing

£3500 - £4500

Typical used price

Mint: ~£5000

Adapts To

Sony ELeica SLLeica TLNikon ZCanon RF

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Last verified: Jan 2026Report an error
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