EXCERPT page containing first few paragraphs. 2019-02-20 08:39:52
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The Sony A9 has horrific pattern noise, which is pathetic for a 24-megapixel camera; see Two Examples of Pattern/Banding Noise at ISO 100 (Pine Creek Skyline, Mt Tom). Hence my concern over pattern noise in the Nikon Z7, because it has many PDAF pixels on its sensor.
Dynamic range means the usable range of black to white tones. Noise can reduce dynamic range, so a key performance metric of any camera is noise. To my knowledge, none of the noise rating take any notice of pattern noise, making noise ratings potentially quite misleading, because pattern noise is far more difficult to deal with.
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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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