Prairie Dog Another captive Prairie Dog at the National Zoo. The Prairie Dog enclosure is a fun place to shoot, because you are near the animals with no bars or glass between you and them. It's where I took my first long lens (the same lens used to take this shot) for its trial roll of film. LENS: 100-400 at ~400mm | FILM: Fuji Provia 100F | EXPOSURE: f/5.6 at 1/?", fill flash | DATE: 04/01 |