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Sony A7R III
Venus Optics Laowa 12mm f/2.8 Zero-D

Aperture Series: Trona Train Track Just After Sunset

This aperture series looks at across the frame and near to far sharpness to determine whether the Venus Optics Laowa 12mm f/2.8 Zero-D can deliver an acceptably sharp full-frame image.

Includes up to full-resolution images from f/2.8 through f/11.

Trona Train Track Just After Sunset

Adobe Camera Raw 10.2.0 (894). View ACR settings. Camera Profile=Adobe Standard. No lens corrections.

Vignetting is pronounced at f/2.8, reduced here by a shadow boost (for all frames). It improves greatly at f/4 and is reduced to its minimum at f/5.6, excepting the extreme corners, which f/8 touches up.

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Diglloyd Guide to Mirrorless is by yearly subscription. Subscribe now for about 25 cents a day ($90/year).
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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 2.8,4,5.6,8,11 available in full article

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