Under ideal conditions with technically solid exposure and focus and processing, what kind of results are possible with each camera given a quality exposure, and processed from RAW with suitable sharpening for each?
The Sigma DP2 Merrill is an APS-C camera with a Foveon true-color sensor. Each photosite is a true red/green/blue pixel capable of a full RGB value.
The Sony RX100 is a 20-megapixel compact with a conventional Bayer-matrix sensor utilizing a RGGB matrix (1/2 green, 1/4 red, 1/4 blue) photosites. Interpolation (demosaicing) is required to generate an RGB value for a pixel.
Depth of field equivalency
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Since 2009, Diglloyd Guide to Mirrorless covers mirrorless cameras and lenses. Includes interchangeable lens camera systems (Sony, Fujifilm, Olympus, etc) as well as fixed-lens cameras (Sony, Sigma, Ricoh, etc).
In addition to the manufacturer-brand lenses, lens coverage includes 3rd-party lens lines like Zeiss Touit, Zeiss Loxia and Zeiss Batis.
It includes hundreds of pages of exclusive coverage and high resolution, Retina-grade examples for the new mirrorless camera systems from Sony, Fujifilm, Olympus, Sigma, Ricoh and more. Also included are operational concerns, like shutter vibration or other camera behaviors. This publication will play a decisive role in your selection and use of mirrorless cameras and lenses.