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Zeiss C-Biogon T* 21mm f4.5 ZM SLR Lens SILVER
Product #1631 | SKU 1419574
Usually ships in 1 - 2 weeks
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Zeiss C-Biogon T* 21mm f4.5 ZM SLR Lens SILVER

Product #1631 | SKU 1419574
Usually ships in 1 - 2 weeks

Product Features
  • Leica M-Mount Lens
  • Aperture Range: f/4.5 to f/22
  • ZEISS T* Anti-Reflective Coating
  • Manual Focus Design
  • Minimum Focus Distance: 50 cm
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Product Details
  • Product: #1631
  • SKU: 1419574
Our Price $1,919.00 AUD

Delivery - $26.00*
1 - 2 weeks
*estimated shipping to New South Wales


Based on a classic design from 1952, the silver 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 colour 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.

Key Features

  • 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 minimise reflections in order to provide greater image clarity, contrast, and colour fidelity.
  • Manual focus design enables a minimum focusing distance of 50 m.


Focal Length 21mm
Aperture f/4.5 to f/22
Camera Mount Type Leica M
Angle of View 90°
Minimum Focus Distance 50 cm
Reproduction Ratio 1:20
Optical Design 8 elements in 6 groups
Diaphragm Blades 10
Focus Manual
Filter Thread 46 mm
Dimensions 53 x 31 mm
Weight 190 g

In The Box

  • Zeiss C-Biogon T* 21mm f4.5 ZM SLR Lens
  • 46mm Front Lens Cap for ZM Lenses
  • Rear Lens Cap for ZM-Mount Lenses


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  • Product: Zeiss C-Biogon T* 21mm f4.5 ZM SLR Lens SILVER
  • Manufacturer: Zeiss
  • Model: 1419574
  • SKU: 1419574
  • RM Product #: 1631
  • Zooms/Primes: Prime Lenses
  • Lens Type: Wide