All photos

Drew Dau

man standing by house during daytime

man standing by house during daytime, Ultra
man standing by house during daytime, Standard

Photo by Drew Dau 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.