still cameras 
Cameras whose principal components are a lightproof chamber and an optical system, which causes an image to be imprinted on a light-sensitive surface.
Large camera composed of two telescopic blocks connected to an expansible bellows, which allows the perspective and focus to be checked and adjusted as needed.
twin-lens reflex camera
Camera whose upper lens uses a mirror to view while its lower lens is used to shoot.
medium format SLR (6 x 6)
Midsize camera with interchangeable lenses; it produces 6 cm x 6 cm images on a roll of film.