There has been some informed speculation, and among what I have read, there seem to be more votes for it being an electric field (EF) sensor than any other explanation.

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It's also packing motion control sensors, haptic feedback, dual speakers, shoulder buttons, left and right rear triggers, a microphone, an infrared sensor, near-field communication support, a front-facing camera and a rechargeable battery (it even has its own power adapter).

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The sensor's 720p HD video is captured in full field-of-view (FOV) with 2 x 2 binning, which doubles the sensitivity and improves the signal-to-noise ratio (SNR).

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Especially when used with large aperture lenses, the EOS 6D camera's full-frame sensor offers a tremendous degree of creative control over depth-of-field, helping users to achieve pro-quality cinematic effects in Full HD video recordings.

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Taking cues from its Alpha A99, which was just announced today, Sony brought that camera's 24.3-megapixel full-frame sensor to a camcorder form factor, delivering shallow depth-of-field and much improved low-light sensitivity in a more practical package.

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