Cameras; video cameras; camcorders; photographic exposure meters, photographic light meters; lens hoods; spectrographic apparatus, namely, portable X-ray spectrographic apparatus, astronomical spectrographs; carriers for dark plates; range finders; film magazines for cameras; self-timers for cameras; bellows; centering apparatus for photographic transparencies; frames for photographic transparencies; darkrooms, namely, portable photographic darkroom, darkroom tents; darkroom lamps; photograph...