LEICA 21MM F/1.4 SUMMILUX-M ASPHERICAL 6-BIT M MOUNT LENS {SERIES 8 IN HOOD}

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LEICA 21MM F/1.4 SUMMILUX-M ASPHERICAL 6-BIT M MOUNT LENS {SERIES 8 IN HOOD}

Last updated on December 1, 2022 6:08 am
LEICA 21MM F/1.4 SUMMILUX-M ASPHERICAL 6-BIT M MOUNT LENS {SERIES 8 IN HOOD}
LEICA 21MM F/1.4 SUMMILUX-M ASPHERICAL 6-BIT M MOUNT LENS {SERIES 8 IN HOOD}

Description

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.

The Leica SUMMILUX-M 21 mm f/1.4 ASPH is the first and only 21mm small camera lens with this lens speed. The outstanding image quality, very large image angles and compact dimensions make the Leica SUMMILUX-M 21 mm f/1.4 ASPH a particularly versatile performer. At full aperture, the depth of field (DOF) is extremely shallow.

As a result, in close-ups the main subject can be separated effectively from the background to create very expressive photographs. At a medium stop, the focal range is so great that entire scenes can be reproduced sharply. Because of the floating element, the very high resolution is retained even in the close-up range. Vignetting and distortion are both corrected excellently for a lens of this speed.

Leica 21mm f/1.4 SUMMILUX-M Features

  • The Leica Summilux-M lenses have wide application potential, thanks to the combination of wide-angle characteristics with ultra-high speed
  • Extremely shallow field depth at full open aperture allows the main subject in close focus shots to be effectively detached from the background. Stopped down to medium values, the field depth range is so great that entire landscapes will be depicted in sharp focus
  • With “floating elements”, the superb performance is kept even at close focal distances
  • Vignetting and distortion are hardly noticeable in practice
  • Equipped with a patented, rectangular metal lens hood that accommodates series VIII (21 mm) filter mounts
  • Use of regular polarizing filters, size E82 (21mm) is possible with special filter adapters

A versatile performer
The Summilux-M 21mm f/1.4 ASPH. is the first and only lens with this size and lens speed. The outstanding quality, large angles, and compact dimensions make it a versatile performer. It works from full aperture – with an extremely shallow depth of field and a subject separated from the background – to a medium stop which can sharply and effectively reproduce entire scenes.

Technical details
The Summilux-M 21mm f/1.4 ASPH. consists of ten lenses in eight groups and incorporates five separate lenses with anomalous partial dispersion. As a result, vignetting and distortion are both excellently corrected. The floating element retains the lenses’ high resolution, even in the close-up range. A patented, rectangular lens hood fits Series VIII filters.

The essentials:

  • Diagonal angle of view: 92 °
  • Working range: 0.7 m to infinity
  • Biggest scale: 1:29
  • Number of lenses/groups: 10/8
  • Length * 1: 66 mm
  • Weight * 1: 580 g
  • Lens hood: can be screwed on
  • Filter/filter thread: Insertion filter Series VIII in lens hood
  • Made in Germany
  • Leica M-Mount Lens
  • Aperture Range: f/1.4 to f/16
  • Two Aspherical Elements
  • Five Low Dispersion Elements
  1. 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.
  2. Five anomalous partial dispersion elements reduce color fringing and chromatic aberrations for increased clarity as well as consistent, even illumination and well-corrected vignetting.
  3. Two aspherical elements suppress spherical aberrations and distortion for improved sharpness.
  4. Floating elements system achieves consistent image quality throughout the focusing range, even at the minimum focusing distance of 2.3′.
  5. The front of the lens is male threaded to accept the included lens hood and the hood is designed to accept Series 8 filters.

 

 

ADDITIONAL INFORMATION

Brand Name Leica
Filter Size Series VIII retaining ring
Focus Type Manual focus (only)
Lens Mount Leica M
Lens Type Wide-Angle
Max Focal Length 21mm
Min Focal Length 21mm

ADDITIONAL INFORMATION

Brand Name Leica
Filter Size Series VIII retaining ring
Focus Type Manual focus (only)
Lens Mount Leica M
Lens Type Wide-Angle
Max Focal Length 21mm
Min Focal Length 21mm

 

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Reviews (1)

1 review for LEICA 21MM F/1.4 SUMMILUX-M ASPHERICAL 6-BIT M MOUNT LENS {SERIES 8 IN HOOD}

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  1. Leandro

    Good day! This post couldn’t be written any better!
    Reading through this post reminds me of my old room mate!

    He always kept talking about this. I will forward this article to him.

    Fairly certain he will have a good read. Many thanks for sharing!

    + PROS: Good day! This post couldn't be written any better! Reading through this post reminds me of my old room mate! He always kept talking about this. I will forward this article to him. Fairly certain he will have a good read. Many thanks for sharing!
    - CONS: Good day! This post couldn't be written any better! Reading through this post reminds me of my old room mate! He always kept talking about this. I will forward this article to him. Fairly certain he will have a good read. Many thanks for sharing!
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