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EXCERPT page containing first few paragraphs. 2021-09-20 19:58:58

Sony A7R IV
Voigtlander FE 35mm f/2 APO-Lanthar

Aperture Series: Aspen Trunks, Early Morning Light

This aperture series from f/2 through f/11 looks at sharpness across the field and near to far with the Voigtlander 35mm f/2 APO-Lanthar Aspherical.

A practical must-read for any Voigtlander 35/2 APO user, a special assessment is done here: the sharpness-damaging effects of its rearward focus shift are shown, but a 2nd aperture series with refocusing to compensate for the shift shows that the lens is supremely sharp when focused optimally. That is, that central areas are razor sharp, but by f/4 and beyond, that sharpness is displaced rearward. Therefore, mitigating the focus shift by focusing closer (at f/2) offers considerable reward in sharpness where intended.

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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.

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