What Is 4K Video? - Presented by: The Aol. On Network

4K has been touted as the latest and greatest in video imaging. With over two times the resolution of HD, it boasts an ultra-high-definition image that matches traditional 35mm film. Manufacturers have rushed to make 4K a feature in many flagship products, and both TVs and cameras (and soon, smartphones) have already started to carry sleek '4K' branding.



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