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45-megapixel Nikon D850
Zeiss Milvus 25mm f/1.4

Aperture Series + Focus Stack: Healthy BristleconeBark

Shot with pre-production Milvus 35mm f/1.4 on the 50-megapixel Canon 5Ds R.

The series from f/1.4 through f/13 shows a scene from right under the tripod to the far distance, a scene impossible to render with full sharpness, even at f/13. Accordingly a 5-frame focus stack at f/11 using Zerene Stacker is shown for comparison with f/9 and f/13.

Includes images up to full 45-megapixel resolution.

Healthy Bristlecone Bark

This ancient bristlecone is very large (about 5 feet across) and exceptionally intact in its bark, and very healthy given its girth and height. Yet it is probably at least 3000 years old. and perhps closer to 4000+.

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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.

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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 28 megapixels filling up to 5K display, 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.

Want a preview? Click on any page below to see an excerpt. And see Lloyd’s essays at Lenspire.Zeiss.com.

Aperture series 1.4,2,2.8,4.5,6.3,9,11.1,13 available in full article

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