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2. Mechanical television - Wikipedia

   en.wikipedia.org/wiki/Mechanical_television

   Mechanical television or mechanical scan television is an obsolete television system that relies on a mechanical scanning device, such as a rotating disk with holes in it or a rotating mirror drum, to scan the scene and generate the video signal, and a similar mechanical device at the receiver to display the picture.

3. Widescreen display modes - Wikipedia

   en.wikipedia.org/wiki/Widescreen_display_modes

   Wide Zoom mode, also called Just mode, Horizon, or Smart Stretch, progressively stretches the picture horizontally, less in the middle and more on the edges. This allows normal aspect ratio video to be displayed across the entire width of the screen, with minimal cropping, and with much less of the unpleasing visual stretching effect of Full mode.

4. Omnidirectional (360-degree) camera - Wikipedia

   en.wikipedia.org/wiki/Omnidirectional_(360...

   Schematic of an omnidirectional camera with two mirrors: 1. Camera 2. Upper Mirror 3. Lower Mirror 4. "Black Spot" 5. Field of View (light blue) In photography, an omnidirectional camera (from "omni", meaning all), also known as 360-degree camera, is a camera having a field of view that covers approximately the entire sphere or at least a full circle in the horizontal plane.

5. Widescreen - Wikipedia

   en.wikipedia.org/wiki/Widescreen

   A detriment is that the film grain size is thus increased because only part of the image is being expanded to full height. Films are designed to be shown in cinemas in masked widescreen format but the full unmasked frame is sometimes used for television, known as an open matte. In such an instance, a photographer will compose for widescreen ...

6. Display resolution standards - Wikipedia

   en.wikipedia.org/wiki/Display_resolution_standards

   The wide version of SVGA is known as WSVGA (Wide Super VGA or Wide SVGA), [97] featured on Ultra-Mobile PCs, netbooks, and tablet computers. The resolution is either 1024 × 576 (aspect ratio 16:9) [ citation needed ] or 1024 × 600 (128:75) with screen sizes normally ranging from 7 to 10 inches.

7. 360-degree video - Wikipedia

   en.wikipedia.org/wiki/360-degree_video

   Some omnidirectional cameras contain wide-angle lenses on the front and rear to facilitate the recording of 360-degree video. 360-degree video is typically recorded using either a special rig of multiple cameras, or using a dedicated camera that contains multiple camera lenses embedded into the device, and recording overlapping angles simultaneously.