Definitions for "Back room projector"
A projector with a special type of lens that can be used from a long distance, at the back of a room, to project an image.
A projector designed to be used towards the back of a room. With a ?long throw? lens it can still achieve quality images and screen size. Optical lenses for ?long throw? applications can be purchased from a number of manufacturers to extend the distance capability.
A projector with a "long-throw" lens designed to be used from the far back of the room, often in a projection booth, balcony, or back of an auditorium. Many typical projectors have third party lenses available for "long-throw" applications.