You can't just drop iPhone 12 footage into a REC 709 project in Final Cut Pro, Serge M explains why and more importantly, how to fix it.
We have come across this problem a few times and this is probably the best tutorial on why the burnt-out iPhone 12 footage happens, how to fix it in Final Cut Pro and how to toggle your iPhone back to SDR recording if you wish. A comprehensive explainer tutorial from Serge M.
More information can be found on Apple's site Edit HDR video recorded on an iPhone 12.
'The new iPhone 12 comes with the first consumer camera to support Dolby Vision HDR video. Dolby Vision look amazing, with 10-bit color, and higher dynamic range. The only issue, when not handled properly, the iPhone 12 footage can look washed out in Final Cut Pro.
In this video, we’ll take a look at how to properly deal with Dolby Vision HDR footage from the new iPhones. WE’ll first take a look at how to use HDR footage in SDR projects, then how to edit and export your video in Dolby Vision HDR. As a bonus, we’ll take a look at how to make an export preset using Compressor, for faster export of your HDR Video.'