In early October, 2003 I spent seven days shooting in seven National Parks in the Canadian Rockies and Montana.That shoot is detailed ina separate article and portfoliowhich together with this technical reportprovides some insights into working with medium format digital equipment in the field._____________________________________________________________

The EquipmentThiswas the first major shoot that I have done using medium format digital. I've been shooting film professionally for the past 35 years — usually medium format for landscape and 35mm for wildlife and nature. But two years ago I began to use 35mm digital SLRs for an increasing amount of my work. Then, a year ago — in late 2002, I began to work completely with digital selling off almost all of my medium format and 35mm film equipment.

TheCanon 1Dsbecame my primary wildlife camera and was used successfully as well on a number of landscape shoots. But in the summer of 2003 I began to research the world of...