The Zeiss ZA Vario-Sonnar T* 24-70mm f/2.8 SSM will surely find many fans. In terms of resolution is may well be the hottest cake around in this class and neither distortions nor vignetting are problems to worry about (all within the APS-C scope). Lateral CAs may be visible at times in wide-angle images but it's a non-issue in the middle to upper zoom range. The only sour aspect of the lens is the quality of the bokeh (character of the out-of-focus blur) which could be better @ 70mm f/2.8 - this may cause headaches for some users. The lens is also somewhat prone to flare. The build quality of the Zeiss is very good although we expected a tad less plastic and some sort of sealing in a lens targeting the professional market. Both tested lens samples showed a centering problem at 70mm - this may be as simple as bad luck but it's unfortunate nonetheless. A highlight of the lens is the extremely fast and silent SSM AF drive - if you think the Canon or Nikkor variants are fast here you may need to prepare for a surprise. Regarding the sum of its characteristics the pricing of the Zeiss seem to be quite fair - it's similar to the Nikkor AF-S 24-70mm f/2.8 ED - although it isn't really a lens for the mainstream at around 1700US$/1450�.
more : photozone
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