8K resolution refers to an image or display resolution with a width of approximately 8,000 pixels. 8K UHD is the highest resolution defined in the Rec. 2020 (UHDTV) standard.
Astro Design 8K camera being displayed at the 2013 NAB Show
NHK and Hitachi demonstrating their 8K camera at the 2013 NAB Show
The Japan Broadcasting Corporation , also known as NHK, is a Japanese public broadcaster. NHK, which has always been known by this romanized initialism in Japanese, is a statutory corporation funded by viewers' payments of a television license fee.