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EXCERPT page containing first few paragraphs. 2021-12-02 18:07:20

Highest-resolution 4K video dimensions
Panasonic GH4

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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Want a preview? Click on any page below to see an excerpt as well as extensive blog coverage, for example on Sony.

Variants TIF, JPG, MOV4096, MOV3840 available in full article
Panasonic GH4 + Olympus 75mm f/1.8 ED @ f/5.6

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