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Zeiss ZF.2 25mm f/2 Distagon T*

Field Curvature (Tioga Pass)

Images taken with the 36-megapixel Nikon D800E, but the findings here would apply even to a 12-megapixel DSLR such as the Nikon D3s.

This aperture series example is a classic infinity focus landscape image, which by serendipity turns out to be a highly instructive example of just how daunting a problem that field curvature can be, even for the technically meticulous photographer.

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Diglloyd Guide to Zeiss offers comprehensive integrated coverage of Zeiss DSLR lenses for Canon and Nikon. Nearly a decade in the making, it covers everything you need to know for every lens in the ZF.2, ZE, Milvus and Otus lines. Zeiss mirrorless lenses are covered in Guide to Mirrorless and Zeiss ZM rangefinder lenses in Guide to Leica.

  • Make better images by learning how to get the best results right away. A “cheat sheet” saving months of ad-hoc learning—Guide to Zeiss is much more than lens reviews.
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  • Make better images, a sort of “cheat sheet” saving yourself months or years of ad-hoc learning—Guide to Zeiss spells out best practices.
  • Real world examples with insights found nowhere else. Make sharper images just by understanding lens behavior you won’t read about elsewhere.
  • Jaw-dropping image quality found nowhere else utilizing Retina-grade images up to full camera resolution, plus large crops.
  • Aperture series from wide open through stopped down, showing the full range of lens performance and bokeh.
  • Optical quality analysis of field curvature, focus shift, sharpness, flare, distortion, and performance in the field.

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