• Webcode: 239665 • Mfr: 11647
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Product Highlights
  • f/1.4- f/16 Aperture Range
  • 10/9 (Elements/Groups)
  • Full-Frame Format
  • M Mount
Web Availability: Special Order

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Overview

Super fast, ultra wide angle lens
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.

A patented, rectangular lens hood fits Series VIII filters.


LEICA M8.2, ISO 320, f/2, 1/90 s

 

 

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Product Specifications

 

Detailed Specifications
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: 1:29
Aperture Setting/Function: With click-stops, half values available, manual diaphragm
Lowest value: 16
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 Separate, screw-on type
Dimensions & Weight Length: 66 / 77 mm (without / with lens hood)
Largest diamater: approx. 69.5 mm
Weight: approx. 580 g

Questions & Answers

Leica 21mm f/1.4 ASPH Summilux-M Black Lens (S8)

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