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Coekieshots

Sand dunes stretch into the distance under a pale sky

Sand dunes stretch into the distance under a pale sky, Ultra
Sand dunes stretch into the distance under a pale sky, Standard

Photo by Coekieshots 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.

Gain map
https://icquwwyymqnvhcpufxje.supabase.co/storage/v1/object/public/static/gainmaps.com/photos/sand-dunes-stretch-into-the-distance-under-a-pale-sky/gainmap-1280.jpg
Unsplash original
https://unsplash.com/photos/sand-dunes-stretch-into-the-distance-under-a-pale-sky-imxNP5xaAVk