No question, today's Sony press conference was all about the 4K. TVs, media services and even 4K recording for consumers. The latter arrived in the form of a couple of prototypes. First off was the generically labelled 4K Consumer Camcorder, a prototype device that was hanging out in a glass case at the Sony booth after the event concluded -- though there was a Handycam logo on the side of the device. It's not a bad looking handheld -- about a standard size for a prosumer model, with a viewfinder, mic and handle at the top. As for specs? No such luck at this early stage.

Directly to the right of the camcorder was another glass-encased device, the HXR-IFR5 Interface Unit, which scales video shot with an existing camcorder like the NEX-FS700 up to 4K. The RAW video files show up in 4096 x 2160 resolution. As with the camcorder, details are scarce at the moment.

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Sony 4K Handycam and HXR-IFR5 interface unit eyes-on