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2. Optimum HDTV viewing distance - Wikipedia

   en.wikipedia.org/wiki/Optimum_HDTV_viewing_distance

   Find the optimal distance for a given screen. Example: for a 4K UHD screen 140 cm high (112 inches diagonal), the optimal distance is 140 × 1.6 = 224 cm. Find the right screen size. Example: for a 1080 HDTV used at a distance of 250 cm, you need to find a screen whose height is close to ⁠ 250 / 3.2 ⁠ = 78 cm (63 inches diagonally).

3. Display size - Wikipedia

   en.wikipedia.org/wiki/Display_size

   On 2D displays, such as computer monitors and TVs, display size or viewable image size (VIS) refers to the physical size of the area where pictures and videos are displayed. The size of a screen is usually described by the length of its diagonal , which is the distance between opposite corners, typically measured in inches.

4. List of Sony Bravia televisions - Wikipedia

   en.wikipedia.org/wiki/List_of_Sony_Bravia...

   Size Resolution Light source Contrast HDMI Notes References 32R433B 32" 720p 40R483B 40" 1080p: 40W600B 40W605B 40" 1080p: Edge LED 48W600B 48W605B 48" 1080p: Edge LED 60W605B 60" 1080p: Edge LED 60W630B 60" 1080p: 32W705B 32" 1080p: Edge LED 42W705B 42" 1080p: Edge LED 50W705B 50" 1080p: Edge LED 50W800B 50" 1080p: 55W800B 55" 1080p: 42W829B ...

5. Rack unit - Wikipedia

   en.wikipedia.org/wiki/Rack_unit

   Rack with sample component sizes including an A/V half-rack unit. A rack unit (abbreviated U or RU) is a unit of measure defined as 1 + 3 ⁄ 4 inches (44.45 mm). [1] [2] It is most frequently used as a measurement of the overall height of 19-inch and 23-inch rack frames, as well as the height of equipment that mounts in these frames, whereby the height of the frame or equipment is expressed ...

6. Orders of magnitude (length) - Wikipedia

   en.wikipedia.org/wiki/Orders_of_magnitude_(length)

   1.200 Mm – width of Texas; 1.500 Mm – length of the Gobi Desert; 1.600 Mm – length of the Namib, the oldest desert on Earth; 2.000 Mm – distance from Beijing to Hong Kong as the crow flies; 2.300 Mm – length of the Great Barrier Reef; 2.800 Mm – narrowest width of Atlantic Ocean (Brazil-West Africa) 2.850 Mm – length of the Danube ...

7. Television set - Wikipedia

   en.wikipedia.org/wiki/Television_set

   A generic LCD TV, with speakers on either side of the screen. Liquid-crystal-display televisions (LCD TV) are television sets that use liquid-crystal displays to produce images. LCD televisions are much thinner and lighter than CRTs of similar display size and are available in much larger sizes (e.g., 90-inch or 230-centimetre diagonal). When ...