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4K cinema, also known as Ultra HD (UHD), offers a resolution of 3840 x 2160 pixels, significantly surpassing the 1080p Full HD resolution that was once the standard for high-definition video. This leap in technology provides viewers with a more immersive and engaging cinematic experience, characterized by sharper images, more vivid colors, and a greater level of detail. 4k%E5%BD%B1%E9%99%A2-iu%E9%9B%86%E5%AE%A2%E5%BD%B1%E9%99%A2