Editor’s note: Doug is a full-time U.S. Coast Guardsman, which may have something to do with why most of his photos seem to contain water! An avid photographer who spends much of his time at sea serving his country, here he describes his transition from film to digital,  with the help of Singh-Ray filters. We’re pleased to feature Doug’s work. My enduring love for creating photographs began at age 13, in a darkroom with my father. To say the least, …