26 Photographic Instruments [ and Parts Thereof] -Namely, Still [ and Motion ] Picture Cameras [ and Projectors; Photographic, Cinematographic and Projector Lenses; Camera and Projector Light Shutters; Camera Bellows; Transparency Slide Projectors; Photographic Developing, Printing, Enlarging and Finishing Apparatus; Light Filters; Camera Hoods; Rangefinders; Exposure Meters; Film Magazines; Camera Shutter Releases; Photographic Flash Guns; Photo-Flash Powder Equipments; Flash Lamps; Camera and Projector Tripods; Tilting Heads for Panoramic Cameras; and Photographic Self-Timers]