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30-megapixel Canon EOS R
Canon RF 28-70mm f/2L

Aperture Series @ 34mm: Mosaic

This series evaluates the Canon RF 28-70mm f/2L at 34mm at medium distance on the 30-megapixel Canon EOS R on a planar subject.

This subject is perhaps the most demanding test scene I use, in that the extremely fine detail along planar (flat) subject are merciless to lenses showing field curvature and/or weak in the outer zones. The Canon EOS R is a 30 megapixel camera, the Nikon Z7 offering 1.22X the resolving power (linearly). Minor weaknesses will be slightly harder to spot at 30 megapixels and will matter more on 45+ megapixels.

Mosaic

Adobe Camera Raw 11.2.0.135. View ACR Settings. Camera Profile = Adobe Color.

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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.

Aperture series 2,2.8,4,5.6,8,11 available in full article

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