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60MP Sony A7R IV
Voigtlander 65mm f/2 Macro APO-Lanthar

Aperture Series: View to Mt Conness from Tuolumne Meadows Area, Early Night (Sony A7R IV)

This series at f/2, f/2.8, f/4.5, f/6.3 evaluates the Voigtlander 65mm f/2 Macro APO-Lanthar on an finely detailed at very far distance.

It is in also an evaluation of the long exposure performance of the Sony A7R IV with long exposure noise reduction enabled (30, 93, 211, 611 seconds).

Includes images up to full 60MP camera resolution.

View to Mt Conness from Tuolumne Meadows Area, Early Night

Adobe Camera Raw 11.4.1.291: view ACR settings. Camera Profile = Adobe Color. Vignetting corrected. Aggressive contrast control.

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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 2,2.8,4.5,6.3 available in full article
f4.5 @ 211.0 sec EFC shutter LENR enabled, ISO 100; 2019-11-02 18:44:12
Sony A7R IV + Voigtlander FE Macro APO-Lanthar 65mm f/2 Aspherical + polarizer Zeiss
ENV: granite dome near Tuolumne Meadows, altitude 9070 ft / 2765 m, 40°F / 4°C
RAW: vignetting corrected, push 0.33 stops, +100 Shadows, -100 Highlights, +50 Whites, -20 Blacks, Color Luminance {Oranges -30}, USM {8,50,0}

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