What Lenses Should I Use With 4K Cameras?

So with the new 4k cameras hitting the market, what does one use for the 4k box cameras that are coming to/on the market? Will a typical megapixel lens work or does it require a "4k-specific" lens? Not using many IP box cams these days, so not really in-tune with lens offerings, currently available.

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************ ****** ************* ****...