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Rokinon FE 12mm f/2.8 ED AS IF NCS UMC Fisheye
(DSLR version, Sony E-mount has a much longer barrel)

Overview of Rokinon 12mm f/2.8 Fisheye

The about $499 Rokinon FE 12mm f/2.8 fisheye is a DSLR design installed in a Sony E-mount mirrorless. The lens is completely manual and communicates no EXIF info or aperture to the camera.

Rokinon has aggressively released lenses for Sony mirrorless that are really DSLR optical designs. This is done by extending the lens barrel, essentially an extension tube taking up the gap that the mirror box on a DSLR would occupy. For the 12mm f/2.8 fisheye this results in a reasonably proportioned and balanced lens, but it’s rather awkward and front heavy with Rokinon 35mm f/1.4.

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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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