Digital Medium Format explores the world of high-resolution digital photography. It examines technical issues and trends, reports on new developments in the industry, and reviews cameras, lenses, and software. It features interviews with world-class photographers, teachers, and industry insiders.

DMF Workshops are intensive field seminars that combine shooting with immediate critiques, presentations concerning the strengths and challenges medium format poses, and offer proven in-camera and software solutions.

James Martin, once a guide in the North Cascades and Canadian Rockies, is a writer and photographer based in Seattle and the founder of In addition to creating a series of award-winning science books for children, James wrote the first comprehensive study of chameleons in 1992, Chameleons: Masters of Disguise with Art Wolfe. Other books include North Cascades Crest, Mount Rainier, and Sierra for Sasquatch and Extreme Alpinism with Mark Twight. His most recent books are Digital Photography Outdoors and Planet Ice, a photographic survey of ice around the world. He has been published in Smithsonian, Sports Illustrated, Climbing, Outside, Outdoor Photographer and a host of other periodicals. He is represented by Getty Images. He leads photo tours around the world for Joseph Van Os Photo Safaris, the Phase One Digital Artists Series, and Digital Medium Format.


Please note that ALL of these photographs are copyrighted, and all rights are reserved. If you are interested in using any of these photographs for commercial purposes, they are available for licensing.

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James Martin
September 2009
Seattle, USA
I am:
Photographer, writer, guide