ZEISS C Biogon T* 21mm f/4.5 ZM Lens (Black)

ZEISS C Biogon T* 21mm f/4.5 ZM Lens (Black)

ZEISS C Biogon T* 21mm f/4.5 ZM Lens (Black)

B&H # ZE2145B MFR # 1419-575
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Product Highlights

  • Leica M-Mount Lens
  • Aperture Range: f/4.5 to f/22
  • ZEISS T* Anti-Reflective Coating
  • Manual Focus Design
  • Minimum Focus Distance: 1.6'
  • Filter Thread: 46mm
  • 10-Blade Diaphragm
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Color: Black

ZEISS C Biogon T* 21mm f/4.5 ZM Lens (Black) ZEISS C Biogon T* 21mm f/4.5 ZM Lens (Silver)

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  • 1Description

Based on a classic design from 1952, the black C Biogon T* 21mm f/4.5 ZM from ZEISS is a super wide-angle prime for M-mount rangefinder cameras. Its 'C' designation reflects the lens's compact form factor and classic optical design to produce imagery with true color fidelity and natural rendering. The Biogon optical concept helps to ensure virtually no distortion, and this eight elements, six groups layout also maintains a high degree of sharpness and clarity. Additionally, a T* anti-reflective coating has also been applied to reduce lens flare and ghosting for improved contrast in strong lighting conditions.

Type 'C' lens refers to this lens's classic aesthetic and compact design that recalls its predecessor from 1952. The glass and coatings have been updated to contemporary standards, however it still produces a timeless look well-suited for both film and digital use.
Biogon optical concept benefits the super-wide focal length by helping to virtually eliminate distortion for clean, realistic rendering.
ZEISS T* anti-reflective coatings have been applied to each lens surface to help minimize reflections in order to provide greater image clarity, contrast, and color fidelity.
Manual focus design enables a minimum focusing distance of 1.6'.
In the Box
ZEISS C Biogon T* 21mm f/4.5 ZM Lens (Black)
  • 46mm Front Lens Cap for ZM Lenses
  • Rear Lens Cap for ZM-Mount Lenses
  • Limited 2-Year Warranty, Extendable to 3 Years with Online Registration
  • Table of Contents
    • 1Description
    Focal Length 21mm
    Maximum Aperture f/22
    Minimum Aperture f/4.5
    Camera Mount Type Leica M
    Angle of View 90°
    Minimum Focus Distance 1.6' / 50 cm
    Maximum Reproduction Ratio 1:20
    Optical Design 8 Elements in 6 Groups
    Diaphragm Blades 10
    Focus Type Manual Focus
    Filter Thread 46mm
    Dimensions : 2.1 x L: 1.2" / : 53.0 x L: 31.0 mm
    Weight 6.7 oz / 190 g
    Packaging Infoctqtezdfwaaudwceyysrwbawrcebxecv
    Package Weight 0.65 lb
    Box Dimensions (LxWxH) 4.724 x 4.173 x 3.15"
    C Biogon T* 21mm f/4.5 ZM Lens (Black) is rated 5.0 out of 5 by 5.
    Rated 5 out of 5 by from Very Nice This is a very high quality, sharp lens that shows almost no distortion and is sharp out to the corners. It is great for street use and is quick on the draw at smaller apertures in that use because of the amazing depth of field at this focal length. It is relatively slow, but that is part of the trade off for a somewhat lower price than its f2.8 cousin. I also bought the slower lens because I've been delighted by another f4.5 Biogon lens that I use in 6x6 format.
    Date published: 2010-11-11
    Rated 5 out of 5 by from Phenomenal I have only used it on film bodies: M2 and M6. It is a masterpiece producing near medium format quality images. It is the equal of the famous Mamiya 6 50mm. It shares the Zeiss signature with their Hasselblad wide lenses, including the SWC. One could spend years with it and not exhaust its potential. Issues with digital cameras have been reported, but I don't care about that.
    Date published: 2014-06-04
    Rated 5 out of 5 by from Great Compact Travel Super Wide I have had the chrome version of this lens for a month now and used it on a Leica M in the UK and Germany together with a Voigtlander 21mm Finder. It quickly became one of my favorite M-mount lenses. Great for interiors, dynamic group shots and vistas (with interesting foregrounds). Compact rendering sharp and brilliant images.
    Date published: 2009-08-01
    Rated 5 out of 5 by from A marvel of optic. I use this lens and his fantastic viewfinder to photograph landscape and sometimes portraits in their environment too. I can compare it with Zeiss lenses for Hasselblad, but with 35mm film: all metal, softness of the rings and above all quality of the transparencies. With a Zeiss Ikon rangefinder body and a 400 ASA Provia, each shot is a new pleasure.
    Date published: 2008-10-02
    Rated 5 out of 5 by from Another marvel from Zeiss Ikon. It is my normal lens in all situations. I like this lens very much, with a little lenshood that you can find to Voigtlander.
    Date published: 2008-10-02
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