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Adobe Camera Raw: no choice with lens profile

Automatic Correction for Lateral Chromatic Aberration in Adobe Camera Raw

This information as of 2015-05-26 using Sony firmware v1.2 on the Sony A7R.

With Sony full-frame mirrorless cameras (A7R, A7, A7 II, A7s), Adobe Camera Raw that insists upon correcting lateral chromatic aberration (LACA); the user has no choice in the matter; clicking Built-in lens profile applied... only displays a trivial dialog which offers no control. This behavior occurs even if all corrections are disabled in the camera.

Hence any lens assessment of the native red/cyan color fringing (LACA) behavior must use some other raw converter. Many camera vendors have now adopted the strategy of relying on software to correct optical shortcomings, and Adobe seems intent on enforcing it in ACR. This behavior applies similarly in Adobe Photoshop Lightroom.

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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 28 megapixels filling up to 5K display, 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.

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