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Carl Zeiss Biogon T* 2,8/21 ZM
8.1 out of 10

Carl Zeiss Biogon T* 2,8/21 ZM

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Reviews and Problems with Carl Zeiss Biogon T* 2,8/21 ZM

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Overall 7

Carl Zeiss Biogon T* 2,8/21 ZM

PC Magazine
14 February 2014
  • Conclusion: The Carl Zeiss Biogon T* 2,8/21 ZM is a solid alternative to Leica glass for rangefinder shooters, but it's not that sharp at the edges.
  • Pros: Wide field of view. Minimal distortion. Excellent center-weighted sharpness. 0.5-meter close focus. Solid build quality.
  • Cons: Edges of the frame are a little fuzzy. Manual focus only. Hood not included.
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Zeiss 21mm f/2.8 ZM Review

Ken Rockwell
31 January 2012
  • Summary: This f/2.8 Zeiss works great on the LEICA M9 because the old LEICA ELMARIT-M 21mm f/2.8 (made in Canada 1980-1997, Verk. Nr. 11 134) lens just happens to have had its rear nodal point in about the same position as does this Zeiss lens, therefore its profile works great with this lens.
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