Leica Summilux-M 21mm f/1.4 ASPH. Black Anodized

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Leica Summilux-M 21mm f/1.4 ASPH.

A super fast, ultra wide-angle lens

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


The LEICA Camera Blog

  •  Angle of view (diagonal, horizontal, vertical):
    92° / 81° / 59°
  • Optical design
  • Number of lenses/groups:
    10 / 8
  • Focal length:
    21.6 mm
  • Position of entrance pupil:
    24.4 mm (related to the first lens surface in light direction)
  • Focusing range:
    0.7 m to infinity
  • Distance setting
  • Scales:
    Combined meter/feet graduation
  • Smallest object field:
    685 x 1027 mm
  • Largest reproduction ratio:
  • Aperture
  • Setting/Function:
    With click-stops, half values available, manual diaphragm
  • Lowest value:
  • Bayonet:
    Leica M quick-change bayonet with 6 bit lens identification bar code for digital M models
  • Filter mount:
    Series filter VIII in lens hood
  • Lens hood:
    Seperate, screw-on type
  • Dimension and weight
  • Length:
    66 / 77 mm (without / with lens hood)
  • Largest diameter:
    Approx. 69.5 mm
  • Weight:
    Approx. 580 g

Lens, lens hood screwed on, cover for lens hood, lens rear cover

Limited Warranty:
Leica Camera AG (‘LEICA’) provides a three-year product limited warranty for this LEICA camera valid from the date of purchase from an authorized LEICA dealer, including the accessories contained in the original packaging, which are valid for two years.