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EXCERPT page containing first few paragraphs. 2021-10-21 01:56:00

Sony A7R II
Rokinon FE 12mm f/2.8 ED AS IF NCS UMC Fisheye
(DSLR version, Sony E-mount has a much longer barrel)

Examples: Snowy White Mountains

Examples shot on the 42-megapixel Sony A7R II in uncompressed raw format. Focusing was manual at 12.5X EVF zoom. Most examples shot handheld with Sony IBIS enabled.

The Rokinon FE 12mm f/2.8 does not supply aperture to the camera, or any information whatsoever. Examples were generally shot at f/8, but could be slightly different, since the camera cannot record the actual aperture.

Raw conversion notes

The uncompressed raw format offers the best possible quality from the Sony A7R II. Some images have used contrast control to open up shadow areas.

The Rokinon FE 12mm f/2.8 has mild lateral chromatic aberration (red/cyan color fringing). This has been corrected during raw conversion in all the images shown here, since for most native lenses, most users are likely to enable the in-camera correction for same.

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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.

f8 @ 1/800 sec, ISO 100; 2015-11-28 13:09:36
Sony A7R II + Rokinon 12mm f/2.8 ED AS IF NCS UMC Fisheye

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