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Zeiss Touit 32mm f/1.8 Planar

Distortion on Sony NEX, Fujifilm X

Optical distortion is around 2.5% barrel distortion, which is easily correctable (not the more difficult wave-type distortion, which inflects from barrel to pincushion).

Distortion on Sony NEX

On Sony NEX, distortion correction does not apply to raw format (good!).

For JPEG, the user can choose to correct or not correct distortion, with the resulting image almost distortion free with only a trace of wave-type distortion (less than 0.2%). This result is far superior to the Fuji X approach.

Distortion on Fuji X

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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.

Zeiss Touit 12mm f/2.8 Distagon — distortion

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