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36MP Sony A7R
Zeiss Loxia 50mm f/2 Planar

Aperture Series: Sunstar Aspen (Sony A7R)

See also Sunstar Aspen.

This scene shows a number of behaviors: bokeh, flare, sunstars, color saturation into a bright light source. Assessing sharpness is a non-goal here, since the leaves were not still, in spite of efforts to wait for a pause in the light breeze—these trees are not called Quaking Aspen for nothing!

The Planar design is also optically symmetric which tends to cancel out certain aberrations. It is a solid reason to consider the Planar versus the Sony/Zeiss 55mm f/1.8 Sonnar: lenses each draw differently, and a particular drawing style may be well suited to some purposes more than others. The Planar is a classic and much-imitated design for its even-tempered behavior, at worst inoffensive in its rendering. Along with the symmetric design comes a 9-blade aperture:

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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 2,2.8,4,5.6,8,11,16 available in full article

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