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Two new characteristics were added in Update 247 to the mastering group for 2K and 4K Master. Criterion uses these characteristics on their releases. In a 2K (4K) master the film elements are scanned at 2,048 (4,096) lines of vertical resolution. The mastering process may include digital removal of dirt and scratches as well as color or sound correction. In this case the characteristic "restoration" would apply. Some say that a 4K scan approaches the limit of the practical resolution present in a conventional 35mm film frame.
Most commercial exhibitors use 2K projectors in digital presentations. However some are upgrading to 4K projection. BD discs are currently limited to 1K (1,024 vertical resolution).
Last edited by modorlofsky (2015-08-08 17:19:26)
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