Approximately 4,000 (4K) pixels of horizontal resolution in several digital formats for shooting motion pictures as well as scanning 35mm film into digital. 4K movies are used intact for cinema theater projection as well as 4K TVs. For Blu-ray discs and the bulk of cable/satellite TV distribution, 4K resolution is scaled down to 2K (1080p). Blu-ray discs "Mastered in 4K" means the source material was originally in a 4K format. See
4K TV,
4K 3D TV,
5K monitor,
Ultra HDTV,
DTV,
aspect ratio and
digital cinema.
4K TV H/V Res For comparison:
Quad HD 3840x2160 2K 1920x1080
Full 4K 4096x2160 8K 7680x4320
4K CINEMA ACADEMY FORMATS MP/Frame
Standard 3626x2664 1.37:1 9.7
Flat 3996x2160 1.85:1 8.6
4K CINEMA ANAMORPHIC
Scope 4096X1714 2.39:1 7.0
2K CINEMA ACADEMY FORMATS
Standard 1828x1332 1.37:1 2.4
Flat 1998x1080 1.85:1 2.2
2K CINEMA ANAMORPHIC
Scope 2048x858 2.39:1 1.8
A 4K Camera
Introduced in 2004 with an image sensor the size of a 35mm frame, the DALSA Origin was the first digital video camera to capture 4K images and use standard 35mm cinematography lenses. In 2011, the company was acquired by Teledyne. (Image courtesy of DALSA Digital Cinema.)