EXCERPT page containing first few paragraphs. 2021-12-02 16:46:11
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Shot with the 36-megapixel full-frame Sony A7R.
The Zeiss Touit 12mm f/2.8 Distagon is designed for cameras with an APS-C sensor. But on a camera like the full-frame Sony A7 or Sony A7R, all the classic aspect ratios open up, and yet with good quality and higher megapixels significantly beyond than the nominal APS-C coverage area.
Usable imaging area on a full-frame sensor is somewhat less than the Zeiss 50mm f/2.8M, but it is to be expected that an ultra-wide angle lens would have a smaller image circle than a much longer focal length sibling.
The field of view is so wide that the lens shade must be removed to enjoy the larger imaging area, and care should be taken not to place fingers near the edge of the lens, or the finger will be imaged!
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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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