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2. List of 4K video recording devices - Wikipedia

   en.wikipedia.org/wiki/List_of_4K_video_recording...

   Samsung NX500 - Same 28 MP APS-C sensor as NXI but 4K video is not downsampled from 6.5K so less details and more noise than the NX1 - with this 2.4× crop factor the kit lens become a 38–120mm f8.5–13.4 equivalent for depth of field; 15 min max recording time limit

3. 4K resolution - Wikipedia

   en.wikipedia.org/wiki/4K_resolution

   The main advantage of recording video at the 4K standard is that fine spatial detail is resolved well. [146] Individual still frames extracted from 3840×2160-pixel video footage can act as 8.3 megapixel still photographs, while only 2.1 megapixels at 1080p and 0.9 megapixels at 720p.

4. Ultra-high-definition television - Wikipedia

   en.wikipedia.org/wiki/Ultra-high-definition...

   On December 25, 2013, YouTube added a "2160p 4K" option to its videoplayer. Previously, a visitor had to select the "original" setting in the video quality menu to watch a video in 4K resolution. With the new setting, YouTube users can much more easily identify and play 4K videos. [149] On December 30, 2013, Samsung announced availability of ...

5. Camcorder - Wikipedia

   en.wikipedia.org/wiki/Camcorder

   The Flip Video was a series of tapeless camcorders introduced by Pure Digital Technologies in 2006. Slightly larger than a smartphone, the Flip Video was a basic camcorder with record, zoom, playback and browse buttons and a USB jack for uploading video. The original models recorded at a 640x480-pixel resolution; later models featured HD ...

6. Category:Mobile phones with 4K video recording - Wikipedia

   en.wikipedia.org/wiki/Category:Mobile_phones...

   Mobile phones that are able to record video footage at 2160p 4K resolution (3840×2160). This category does not include mobile phones with 8K (4320p) video recording which have a 2160p (4K) recording option. Those phones are listed in the Category: Mobile phones with 8K video recording.

7. High-dynamic-range television - Wikipedia

   en.wikipedia.org/wiki/High-dynamic-range_television

   HDR10+, also known as HDR10 Plus, is an HDR video format announced on 20 April 2017. [21] It is the same as HDR10 but with the addition of a system of dynamic metadata developed by Samsung. [22] [23] [24] It is free to use for content creators and has a maximum $10,000 annual license for some manufacturers. [25]