A sign of our times, Netflix has firmly stated that it would only use 4K cameras for its original productions, which has been a source of frustration for some cinematographers, especially those that use ARRI gear and work on Netflix projects.
Post-production pipelines must also meet Netflix Original Productions 4K delivery requirements.
Re camera hardware Netflix says “The ARRI Alexa and Amira are fantastic cameras, and we stream plenty of content that was captured with these cameras. However, since these cameras do not have true 4K sensors, we cannot accept them for our 4K original productions.”
Netflix explains, “For those who pay a premium for our UHD 4K service, we only deliver content that was shot and delivered at a true UHD 4K resolution.”
Ultra HD. 4K UHD (2160p) has a resolution of 3840 pixels × 2160 lines (8.3 megapixels, aspect ratio 16:9) and is one of the two resolutions of ultra high definition television targeted towards consumers, the other being 8K UHD which is 7680 pixels × 4320 lines (33.2 megapixels).