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ZEISS Biogon T* 21mm f/2.8 ZM Lens (Silver)

BH #ZE2128S • MFR #1365-650
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ZEISS Biogon T* 21mm f/2.8 ZM Lens (Silver)
Key Features
  • Leica M-Mount Lens
  • Aperture Range: f/2.8 to f/22
  • ZEISS T* Anti-Reflective Coating
  • Manual Focus Design
Balancing a super-wide focal length with a compact form factor, the silver Biogon T* 21mm f/2.8 ZM from ZEISS is a versatile lens designed for M-mount rangefinder cameras. Its wide-angle design is complemented by a Biogon optical concept, which nearly eliminates distortion for well-corrected, accurate rendering. A T* anti-reflective coating has also been applied to individual elements to reduce lens flare and ghosting for greater color accuracy and contrast in strong lighting conditions. Additionally, the lens's manual focus design permits working with subjects as close as 1.6' away.
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ZEISS Biogon T* 21mm f/2.8 ZM Overview

Balancing a super-wide focal length with a compact form factor, the silver Biogon T* 21mm f/2.8 ZM from ZEISS is a versatile lens designed for M-mount rangefinder cameras. Its wide-angle design is complemented by a Biogon optical concept, which nearly eliminates distortion for well-corrected, accurate rendering. A T* anti-reflective coating has also been applied to individual elements to reduce lens flare and ghosting for greater color accuracy and contrast in strong lighting conditions. Additionally, the lens's manual focus design permits working with subjects as close as 1.6' away.

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'.

ZEISS Biogon T* 21mm f/2.8 ZM Specs

Key Specs
Focal Length
21mm
Maximum Aperture
f/2.8
Lens Mount
Leica M
Focus Type
Manual Focus
Filter Size
46 mm (Front)
Maximum Aperture
f/2.8
Minimum Aperture
f/22
Lens Mount
Leica M
Angle of View
90°
Minimum Focus Distance
1.6' / 50 cm
Macro Reproduction Ratio
1:21
Optical Design
9 Elements in 7 Groups
Diaphragm Blades
10
Focus Type
Manual Focus
Filter Size
46 mm (Front)
Dimensions (ø x L)
2.1 x 2.5" / 53 x 64 mm
Weight
10.6 oz / 300 g
Packaging Info
Package Weight
0.78 lb
Box Dimensions (LxWxH)
4.7 x 4.3 x 3.3"

ZEISS Biogon T* 21mm f/2.8 ZM Reviews

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