Rail, BuriedAuthor:Soundings EditorsPublish date:Mar 28, 2018Rail, Buried Onne van der WalOnne van der Wal Camera: Canon EOS 5D Mark IV, AquaTech housing Shutter speed: 1/25 second Lens focal length: 14mm Aperture: f/16 ISO: 50This article originally appeared in the April 2018 issue.