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EXCERPT page containing first few paragraphs. 2021-05-06 02:01:36

Sony A7R II
Sony FE 70-300mm f/4.5-56 G OSS

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Aperture Series @ 80mm: Wyman Cabin

These aperture series intentionally uses a 3D subject to pin down both performance and any optical asymmetries across the frame.

Wyman Cabin @ 80mm

Adobe Camera Raw 9.7.0 (668): Camera Profile=Adobe Standard. Built-in lens profile eliminates lateral chromatic aberration (red/cyan color fringing). Chromatic aberration is corrected via an embedded profile, enforced by ACR. Apertures f/9 and f/13 were sharpened to counteract diffraction.

Vignetting is mild at f/4.5 and nearly gone at f/6.3.

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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 4.5,6.3,9,13 available in full article
f4.5 @ 1/20 sec, ISO 100; 2016-06-08 19:07:17
Sony A7R II + Sony FE 70-300mm f/4.5-5.6 @ 80mm

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