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EXCERPT page containing first few paragraphs. 2021-10-25 05:43:02

30-megapixel Canon EOS R
Canon RF 85mm f/1.2L USM

Examples: Eastern Sierra

This series evaluates the Canon RF 85mm f/1.2L with various examples on the 30-megapixel Canon EOS R.

The Canon RF 85mm f/1.2L makes an outstanding lens for focus stacking because it is incredibly sharp and also superbly corrected for secondary color. Along with ultra-low distortion, it’s a lens that ranks right up there with the Zeiss Otus 85mm f/1.4 APO-Planar, perhaps better.

Log across Mill Creek, Mid-Day

This image is a 4-frame focus stack with a Breakthrough Photography 6-stop ND polarizer. See

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Diglloyd Guide to Mirrorless is by yearly subscription. Subscribe now for about 25 cents a day ($90/year).
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Diglloyd Guide to Mirrorless offers comprehensive integrated coverage of most APS-C and full frame mirrorless cameras and lenses.

Special emphasis is placed on Sony full-frame, including Sony lenses and the high performance Zeiss Batis and Zeiss Loxia lenses plus Rokinon/Samyang and others. Fujifilm X, Olympus and Panasonic M4/3, Sigma dp Merrill and dp/sd Quattro are also covered in depth. Years in the making, it offers a wealth of material for choosing and using a mirrorless camera.

  • Make better images by learning how to get the best results right away. For example, the best way to set up your Sony camera.
  • Save money by choosing the right lens for your needs the first time, particularly with the numerous lenses available for Sony.
  • Make better images, a sort of “cheat sheet” saving yourself months or years of ad-hoc learning—best practices and how-to and processing parameters are discussed and shown.
  • Jaw-dropping image quality found nowhere else utilizing Retina-grade images up to full camera resolution, plus large crops.
  • Real world examples with insights found nowhere else. Make sharper images just by understanding lens behavior you won’t read about elsewhere.
  • 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 as well as extensive blog coverage, for example on Sony.

f11 @ 10.0 sec focus stack 4 frames, ISO 50; 2019-07-16 13:05:06
Canon EOS R + Canon RF 85mm f/1.2L USM + polarizer Breakthrough Photography 6-stop ND polarizer
ENV: Lundy Canyon, altitude 7600 ft / 2316 m, 70°F / 21°C
RAW: USM {8,50,0}

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