581 How important is it to have an "environmentally sealed" camera in dusty or moist environments? Can a Nikon D300 survive extreme environments? I thought this camera was environmentally sealed, but dpreview says no. Thanks. 9 2009-11-20T23:16:40Z 0 2009-11-20T23:16:40Z true 30812 false 8009 2009-11-29T15:40:24Z San Francisco, CA true 2010-05-20T00:00:00Z false dust-moisture-and-cameras 1 2009-11-29T15:40:24Z 36467