All photos
Meg von Haartman
A waterfall in the middle of a foggy day
Photo by Meg von Haartman on Unsplash · Original
Drag the seam — left of it is the SDR base (dynamic-range-limit: standard), right of it is the same JPEG decoded as an Ultra HDR gain map. Both use local long-edge-capped JPEGs so resolution and codec match exactly.