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2. Front projection effect - Wikipedia

   en.wikipedia.org/wiki/Front_projection_effect

   A front projection effect is an in-camera visual effects process in film production for combining foreground performance with pre-filmed background footage. In contrast to rear projection, which projects footage onto a screen from behind the performers, front projection projects the pre-filmed material over the performers and onto a highly reflective background surface.

3. Projection screen - Wikipedia

   en.wikipedia.org/wiki/Projection_screen

   A projection screen is an installation consisting of a surface and a support structure used for ... front projection screens work on diffusely reflecting the ...

4. Comparison of display technology - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_display...

   Screen shape Largest known diagonal Typical use Usable in bright room (in) (cm) Eidophor front projection Flat (limited only by brightness) TV: No Shadow mask CRT: Spherical curve or flat 42 [1] 107 TV, computer monitor: Yes Aperture grille CRT: Cylindrical curve or flat 43 [2] 109 TV, computer monitor: Yes Monochrome CRT: Spherical curve or ...

5. Electronic visual display - Wikipedia

   en.wikipedia.org/wiki/Electronic_visual_display

   Projection display: transmissive mode of operation front-projection (with reflective screen) e.g. video projector: reflective mode of operation rear-projection (with transmissive screen) e.g. rear projection television screen: transflective mode of operation (e.g. transflective LCD) retinal projection (with or without combiner) e.g. head ...

6. List of CRT video projectors - Wikipedia

   en.wikipedia.org/wiki/List_of_CRT_video_projectors

   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 ...

7. Viewing angle - Wikipedia

   en.wikipedia.org/wiki/Viewing_angle

   For example, some projection screens reflect more light perpendicular to the screen and less light to the sides, making the screen appear much darker (and sometimes colors distorted) if the viewer is not in front of the screen. Many manufacturers of projection screens thus define the viewing angle as the angle at which the luminance of the ...