Most "4K" discs on the market are simply 2K upscales. The production team went back to the original 35mm-equivalent digital raw files (shot at 6K) and performed a new color grade. The result is a native 3840 x 2160 resolution with no artificial sharpening. Textures—from the fabric of the protagonist's kimono to the pores in a close-up shot—are rendered with startling clarity.
When a distributor labels a release as "4K New" (as opposed to a simple upscale), it implies a ground-up restoration. Here is the technical breakdown of what makes this version superior. sone088 4k new
The "new" in also refers to the High Dynamic Range pass. The original Blu-ray had a peak brightness of roughly 400 nits (Rec.709). The new 4K disc utilizes Dolby Vision, pushing highlights to over 1,000 nits. Most "4K" discs on the market are simply 2K upscales
To actually see the benefit of this version, ensure your setup supports it: : A 4K-capable monitor or television. Textures—from the fabric of the protagonist's kimono to
: The "4K" tag indicates that the footage has been shot or remastered in Ultra High Definition (
While Sone088 4K is a groundbreaking technology, it is not without its challenges and limitations. Here are some of the hurdles that need to be overcome: