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EXCERPT page containing first few paragraphs. 2022-08-19 07:54:03

Sony A7R III
Sigma 14-24mm f/2.8 DG DN Art

Aperture Series @ 24mm: Buckeye along Storm Drain

This series from f/2.8 through f/9 evaluates the Sigma 14-24mm f/2.8 DG DN Art for sharpness across the field as well as bokeh. A lot is revealed in this simple series.

Includes images up to full camera resolution.

Storm Drain Buckeye

Sample with serial number xxxx6274.

I planted this tree from a nut back around 1992—nuts beget nuts (?)—they are not popular but they are one of the most shapely trees in California when mature (this one needs another 50 years). California Buckeye Aesculus californica grows slowly, is one of the first trees to leaf out each year (February) and looks dead by June, whereupon it grows a crop of attractive nuts, though this year this tree has not produced any.

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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 2.8,4,6.3,9 available in full article
f2.8 @ 0.3 sec, ISO 100; 2019-09-03 19:32:58
Sony A7R III + Sigma FE 14-24mm f/2.8 DG DN Art @ 24mm RAW: Enhance Details, LACA corrected

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