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Still Image Coverage and Quality vs Video 📹
This page examines the crop factor for video vs still photography as well as the relative quality of still frames taken from the MOV file versus JPEG and raw-derived still frames.
Frame coverage
This sequence shows the cropping from full sensor size for 4096 X 2160 and 3840 X 2160 video (both variants of 4K) as compared to the full sensor size. The crop is modest, but it does mean that a 25mm normal lens offers slightly narrow in horizontal field of view for video than for stills.
4096 X 2160: 1.125X crop (25mm => 28mm)
3840 X 2160: 1.200X crop (25mm => 30mm)
In terms of field of view, the two video sizes thus
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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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Want a preview? Click on any page below to see an excerpt as well as extensive blog coverage, for example on Sony.