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Sony A7R II
Voigtlander Super Wide-Heliar 15/4.5 Aspherical III

Aperture Series: Mosaic (Sony A7R II)

Shot with the 42-megapixel Sony A7R II.

This is a demanding target. One hopes for a strong performance across the field by f/5.6 - f/8 with most lenses. Here the Voigtlander 15mm f/4.5 is evaluated for its likely weak spot: weakness in the outer zones stemming from its rangefinder design, albeit a design tweaked for Sony mirrorless cameras.

Mosaic

Adobe Camera Raw 9.5.1 (595). View ACR settings. Camera Profile=Adobe Standard. Built-in lens profile eliminates lateral chromatic aberration (red/cyan color fringing).

Diffraction mitigating sharpening used for the f/8 and f/11 exposures.

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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 4.5,5.6,8,11 available in full article

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