Leica Summilux-M 21mm f/1.4 ASPH. Lens

Leica Summilux-M 21mm f/1.4 ASPH. Lens

Leica Summilux-M 21mm f/1.4 ASPH. Lens

B&H # LE2114MB MFR # 11-647
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Product Highlights

  • Leica M-Mount Lens
  • Aperture Range: f/1.4 to f/16
  • Two Aspherical Elements
  • Five Low Dispersion Elements
  • Floating Elements System
  • Manual Focus Design
  • Minimum Focusing Distance: 2.3'
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  • 1Description

An impressively wide and fast lens, the Summilux-M 21mm f/1.4 ASPH. from Leica is a versatile M-mount prime delivering exceptional image quality. The super wide-angle focal length is complemented by the use of five anomalous partial dispersion and a pair of aspherical elements to suppress chromatic and spherical aberrations in order to deliver a high degree of sharpness and clarity with well-controlled vignetting and distortion. The optical design also incorporates a floating elements system to provide consistent image quality throughout the focusing range.

Super wide-angle prime features a bright, fast f/1.4 maximum aperture to benefit working in low-light conditions and for greater control over depth of field.
Five anomalous partial dispersion elements reduce color fringing and chromatic aberrations for increased clarity as well as consistent, even illumination and well-corrected vignetting.
Two aspherical elements suppress spherical aberrations and distortion for improved sharpness.
Floating elements system achieves consistent image quality throughout the focusing range, even at the minimum focusing distance of 2.3'.
The front of the lens is male threaded to accept the included lens hood and the hood is designed to accept Series 8 filters.
Focal Length 21.6mm
Aperture f/1.4 to f/16
Camera Mount Type Leica M
Angle of View 92°
Minimum Focus Distance 2.3' / 70 cm
Reproduction Ratio 1:29
Optical Design 10 elements in 8 groups
Diaphragm Blades Not specified by manufacturer
Focus Manual
Filter Thread N/A (male thread to accept included lens hood; lens hood accepts Series 8 filters)
Dimensions 2.7 x 2.6" / 69.5 x 66.0 mm
Weight 1.3 lb / 580 g
Packaging Info
Package Weight 2.6 lb
Box Dimensions (LxWxH) 11.5 x 7.5 x 6.1"
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