| 释义 |
DictionarySeeaspect ratio4K resolution
4K resolutionApproximately 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 and cable/satellite TV distribution, they are scaled down to 2K (1080p). For example, Blu-ray discs "Mastered in 4K" means the source material was in a 4K format. See 4K TV, 4K 3D TV, 5K monitor, UHDTV, 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 |
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| 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, www.teledynedalsa.com) |
 | | 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, www.teledynedalsa.com) |
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