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EXCERPT page containing first few paragraphs. 2019-09-23 13:40:00
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Sony A7R II
Sony FE 24-70mm f/2.8 GM

Aperture Series @24mm: Water Surges Through Boulders

My interest here was simple: focused mid-way into a scene, can the Sony 24-70mm f/2.8 GM collect itself well enough to deliver sharpness from near to far and into the corners, appropriately stopped down? Some lenses, particularly zoom lenses, cannot achieve this, being hampered by too-high aberrations that never let the edges and corners develop properly.

Water Surges Through Boulders

Adobe Camera Raw 9.5 (585). View ACR Settings. Camera Profile = Adobe Standard. Chromatic aberration is corrected via an embedded profile, enforced by ACR. Aperture f/9 and f/13 were sharpened to counteract diffraction. As per the RawDigger info, exposure is a perfect ETTR exposure.

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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 2.8,4.5,6.3,9,13 available in full article

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