LensCarl Zeiss78% by Neofiliac Team64% by External Reviewers

Zeiss Biogon T* 2.8/21 ZM

Full-Frame Lens

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Photo 0of Zeiss Biogon T* 2.8/21 ZM Photo 1of Zeiss Biogon T* 2.8/21 ZM Photo 2of Zeiss Biogon T* 2.8/21 ZM

Product Overview

Zeiss Biogon T* 2.8/21 ZM is a high-end manual-focus ultra wide-angle prime lens for Leica M-mount. It covers the full-frame image circle and has 9 elements in 7 groups.
As an ultra wide-angle prime lens that happens to have relatively small maximum aperture, it is best suited for landscape photography. Even though the lens is not stabilized, at this focal range it does not usually matter. In fact, some may be able to get cleaner corners without image stabilization.

Ratings

What we found

Neofiliac score 78%
Pros
  • Great build quality
  • Good image quality
Cons
  • Low maximum magnification

What external reviewers found

External score 64%
Pros
  • Fully stopped-down at ƒ/2.8 aperture
  • Sharpness
Cons
  • Soft corners when shooting wide open

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Specifications

External Reviews

imagingsource[1]

Reviewer score 64% (normalized by Neofiliac)
Reviewers from imagingsource have found:
The Zeiss 21mm ƒ/2.8 Biogon T* is an all-metal lens, weighing in at 280 grams (just under 10 oz) It is about the same length as the Sony 18-55mm kit lens, but slightly slimmer. The lens was attached to the NEX-5 with a Leica bayonet mount to NEX E mount adapter purchased on Ebay.
Pros
  • Fully stopped-down at ƒ/2.8 aperture
  • Sharpness
Cons
  • Soft corners when shooting wide open

Also Check

Product ComparisonProducts in LensProducts by Carl ZeissKeyword full-frameKeyword m-mountKeyword manual-focusKeyword prime-lensKeyword rangefinderKeyword ultra-wideKeyword wide-angle

References

  1. ^ Carl Zeiss 21mm f/2.8 Biogon T* 2.8/21 ZM. [imagingsource].

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