EXCERPT page containing first few paragraphs. 2019-12-11 17:02:52
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The effects of diffraction will be vary depending on optical performance: a mediocre lens has less to lose, the wavelength of light involved (blue resolves much better than red and is thus affected more quickly). Subject matter interacts with it all, particularly in terms of textural detail on relatively low contrast subject matter. Use of pixel shift (or not) can make the effects more/less obvious too.
Diffraction mitigating sharpening can help, but never improves tonality and at some point can never 'get it back'.
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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.
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