What's In Your Tank Is Messing With Your Shots: The Photographer's Guide to Breathing Gas and Cognitive Performance at Depth
Most underwater photographers spend hours dialing in their camera settings but never think twice about what's actually in their tank. The gas you breathe at depth has a direct, measurable impact on your fine motor control, decision-making, and ability to nail a shot — and choosing the right nitrox mix can be just as important as choosing the right ISO. Here's what the science says, and how to use it before your next dive.