Shooting a World First Expedition on the Essequibo River in Guyana

I removed the Canon C300 from its waterproof bag and attached the 24-105mm f/4.0 lens while swatting away the relentless mosquitoes. Bringing the viewfinder loupe up to my eye, my left hand flicked the power switch on, now a reflex action after shooting with this camera every day for the last three weeks. Nothing happened. […]