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EXCERPT page containing first few paragraphs. 2021-12-08 01:35:49
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Sony Alpha A1
Sony FE 35mm f/1.4 GM

Optical Distortion for Sony FE 35mm f/1.4 GM

This page shows uncorrected and corrected examples of the pincushion distortion of the Sony FE 35mm f/1.4 GM.

Distortion correction for pincushion distortion has the side effect of visible loss of micro contrast over all of the frame.

Includes images up to full camera resolution, plus crops.

Example: Old Mining Buildings

The 35/1.4 GM captures extremely fine detail with high micro contrast. Its pincushion distortion is mild, so correction can usually be skipped. That’s important, because the damage to micro contrast (see crops) is easily seen.

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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.

Variants Uncorrected,Corrected available in full article
f5.6 @ 1/25 sec EFC shutter, ISO 100; 2021-06-07 19:31:49
Sony A7R IV + Sony FE 35mm f/1.4 GM
ENV: altitude 6500 ft / 1981 m
RAW: LACA corrected, vignetting corrected, pull 0.5 stops, +40 Whites, +10 Clarity

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