EXCERPT page containing first few paragraphs. 2021-12-02 16:51:47
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Sigma sd Quattro-H firmware 1.01. Shot with Sigma 50mm f/1.4 DG HSM Art.
The Sigma sd Quattro-H offers both DNG and X3F raw file options. This page discusses the differences.
The Sigma sd Quattro-H sensor is a semi true-color sensor utilizing multiple layers. See Sigma dp Quattro Sensor Design. These Quattro sensor layers are not all full resolution as they are in the Sigma DP Merrill sensor:
- Blue layer: full spatial resolution, broad panchromatic sensitivity
- Red layer: 1/2 spatial resolution = 1/4 the data of the blue layer
- Green layer: 1/2 spatial resolution = 1/4 the data of the blue layer
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Diglloyd Guide to Mirrorless is by yearly subscription. Subscribe now for about 25 cents a day ($90/year).
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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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- Aperture series from wide open through stopped down, showing the full range of lens performance and bokeh.
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