SLR
Definition: Single-lens reflex: type of camera in which subject is viewed via reflection in a mirror behind the taking lens. * On exposure, the mirror flips or drops out of the light-path to allow the lens to project its image onto the film. * In waist-level type cameras, the subject is viewed directly on a focusing screen: the image is laterally reversed. * On cameras equipped with a pentaprism, the subject is viewed as an aerial image of the focusing screen, correctly oriented by the pentaprism.
Related Terms:
TLR
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