Bryan Iguchi. Ross restored her 20-by-24-inch ambrotype camera in the spring and summer of 2015, and the first time she used it was at a public demonstration at Asymbol Gallery, in Jackson, WY. At the show, Ross made an ambrotype of Travis Rice in front of the audience, waiting 30 seconds for the exposure under two fluorescent lighting units, using a Bausch & Lomb 14x17in f/6.3 lens from 1903. 094 The Ski Journal