Dr. Brian Matsumoto is a retired research scientist who has worked for 30 years recording experiments with a wide range of film and digital cameras. He now spends his time photographing with a variety of cameras and lenses. He enjoys exploring how a camera's potential can be expanded by pairing it with specialized optics such as microscopes and telescopes. He carries a camera on all of his hikes and enjoys photographing nature. In addition to the four books he has written for Rocky Nook, Dr. Matsumoto has published several articles and has had his photographs published in a number of periodicals. He is experienced in the technical aspects of photography and has taught courses on recording scientific experiments with digital cameras.