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EXCERPT page containing first few paragraphs. 2021-10-27 16:19:45

60MP Sony A7R IV
Sigma 35mm f/1.2 DG DN Art

Examples: Eastern Sierra, Yosemite and Twenty Lakes Basin (Sony A7R IV)

These examples with the Sigma 35mm f/1.2 DG DN Art taken in the Eastern Sierra on the 60-megapixel Sony A7R IV.

In progress...

View past Glacial Erratic to Cathedral Peak Area, Last Light

The distance frame was shot with pixel shift (as were the first two), but only the distance frame was acceptable in terms of avoiding checkerboarding artifacts. The three were focus stacked; toggle to compare.

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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.

Variants Stacked,SingleFrame available in full article
View past Glacial Erratic to Cathedral Peak Area, Last Light
f8 @ 1/8 sec electronic shutter focus stack 3 frames, ISO 100; 2019-11-02 17:39:00
Sony A7R IV + Sigma FE 35mm f/1.2 DG DN Art + polarizer Breakthrough Photography X4
ENV: granite dome near Tuolumne Meadows, altitude 9070 ft / 2765 m, 45°F / 7°C
RAW: LACA corrected, +81 Shadows, -100 Highlights, +50 Whites, USM {8,50,0}

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