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7-foot screen (51.5" x 68.5") 180 watts power consumption; Focal distance fixed at 100" [3] Projection technology: Cathode ray tube with rear-facing 3" phosphor screen and collimating mirror; Good quality projection; Clear, well-defined, and bright; Easy to install [4]
A 100-inch projector screen can cost you anywhere from $20 on up to $200 depending on what kind you get; here's a top-rated motorized screen for $130, just as an example.
A grey screen may thus succeed almost as well in delivering a bright-looking image, or fail to do so in other circumstances. Compared to a white screen, a grey screen reflects less light to the room and less light from the room, making it increasingly effective in dealing with the light originating from the projector. Ambient light originating ...
Rear-projection television (RPTV) is a type of large-screen television display technology. Until approximately 2006, most of the relatively affordable consumer large screen TVs up to 100 in (250 cm) used rear-projection technology. A variation is a video projector, using similar technology, which projects onto a screen.
50 inch fixed screen projector with two projector lenses with three tubes. 60 fL on screen brightness. KP-7200 [36] Sony: 1978: No : 480i : 50 [37] Analogue: 72 inch fixed screen projector with two projector lenses with crt three tubes. 30 fL on screen brightness. KP-5010 : Sony: 1979: No : 480i : Analogue: 50 inch screen projector: KP-7210 ...
In video projection terminology, throw is the distance between a video projector lens and the screen on which it shines. It is given as a ratio (called throw ratio), which describes the relationship between the distance to the screen and the width of the screen (assuming the image is to fill the screen fully).
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