Test #2 comparing 4K 25p Prores HQ Apple Log (Rec. 2020) vs HDR (Rec. 2020 HLG) video recording internally in iPhone 16 Pro.
Also comparing again the Stalman procedure and LUT with the Log files (see below) as described in detail a few days ago , dd 20241115 (link below).

Video edited with Final Cut Pro 11 in ProRes HQ – 4K 25p SDR projects (Rec. 709).
ProRes uploads, 4K at YouTube, and HD at Vimeo. Uploads at Substack and Instagram using the Vimeo converted HD file (H264).

Notes

How to color grade LOG in Final Cut Pro (Aug 13, 2024) by Tyler Stalman URL https://youtu.be/OZFtRYnUuoQ

Video Review #3 ProRes Log vs ProRes HLG from iPhone 16 Pro • 20241115 – URL https://youtu.be/_4EEaLF6cGY

Citation info : Video Review #8 ProRes Log vs ProRes HLG iPhone 16 Pro • Michel van der Burg • Miracles•Media • @1MEMO 20241123 • TakeNode 163a1495-7708-4a20-93bb-f653cf495cd2