Nikon DSLR User's Guide

Bald Eagle Striking, near Homer, AK. Image courtesy of and copyright 2010: Robert O’Toole Photography. Sigma 150-500mm f/5-6.3 DG OS HSM APO Autofocus Lens for Nikon handheld at 350mm with the Nikon D700. ISO 400. Evaluative metering at zero: 1/1600 sec. at f/8 in Manual mode.

Purchasing Robert’s new Nikon DSLR User’s Guide [...]

Preparing JPEGs for the Web & More Photoshop Tips

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 800. Evaluative metering +2 stops: 1/1000 sec. at f/5.6

Lens micro-adjustment: -4. Central sensor/AI Servo/Rear Focus AF (with AF active at the moment [...]

Taking Advantage...

I created this high key, tight vertical head and neck portrait of a Masked Booby on Sand Island, Midway with the Canon 70-200mm f/2.8L IS II lens with the 2X III teleconverter (hand held at 230mm) and the Canon EOS-1D Mark IV. ISO 400. Evaluative metering +1 2/3 stops: 1/800 sec. at f/13 set [...]