The 2017 Blu-ray release, specifically in its 4K Ultra HD format (often associated with high-end mastering like "Mastered in 4K" or "DS4K"), is a technical showcase for Sony Pictures' home entertainment capabilities. While shot on ARRI Alexa cameras at 2.8K and finished with a 2K Digital Intermediate , the upsampled 4K presentation provides a significant visual and auditory leap over standard high definition. Technical Specifications
2160p (Upscaled 4K) using the HEVC / H.265 codec. (CM) Spider-Man - Homecoming (2017) BluRay DS4K...
Includes both Dolby Vision and HDR10 , with Dolby Vision widely cited for providing more vivid colors and stable black levels. The 2017 Blu-ray release, specifically in its 4K
2.39:1 (with some 1.33:1 sequences for Peter's vlogs). Visual and Audio Performance The 2017 Blu-ray release