This image was created at Nickerson Beach, Long Island, NY with the tripod-mounted (I was kneeling) Canon 800mm f/5.6L IS lens, a 25mm Extension tube, and the EOS-1D Mark IV. ISO 400. Evaluative metering +2/3 stop: 1/1000 sec. at f/13.
Lens micro-adjustment: -4. Central sensor/AI Servo/Rear Focus AF and re-compose.
The extension […]