Surely something so small and compact would be easily lost? Wow, that's quite an animal.
6x9 Single-Lens Reflex,the only domestic-made with focal plane shutter,TB,1/2-1/500 sec Luminant brand lenses 92-400mm were available Reversible winding of Rollfilm Holder to maintain flatness of film, so dark room works was required. Frost-proof camera was used by the South Pole Survey Team.