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Sony A7R

Sony A7R Introduction

The November 2013 Sony Alpha A7R produces 36-megapixel 7360 X 4912 images from a full frame sensor, allegedly the same sensor as the Nikon D800, and like the D800E, without an anti-aliasing filter. But image quality is a sum total of sensor and electronics and stored file format.

The A7R uses a focal plane shutter which is among the loudest your author has ever used on on camera short of medium format, which naturally raises vibration concerns.

The sibling RX1 / RX1R fixed-lens cameras have a whisper-quiet in-lens leaf shutter with full flash speed sync—radically different. It’s a shame that the Sony/Zeiss lenses were not designed with leaf shutters so that the A7R could operate like the RX1R.

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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 28 megapixels filling up to 5K display, 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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Relative sensor Sizes
Sony A7R

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