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  2. Optimum HDTV viewing distance - Wikipedia

    en.wikipedia.org/wiki/Optimum_HDTV_viewing_distance

    For a "standard" lens image, viewing distance should be equal to the diagonal length of the screen. Horizontal, vertical and diagonal field of view It has been demonstrated that viewing a display that occupies a greater visual angle (also referred to as field of view ) increases the feeling of presence. [ 6 ]

  3. Display size - Wikipedia

    en.wikipedia.org/wiki/Display_size

    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. It is also sometimes called the physical image size to distinguish it from the "logical image size," which describes a screen's display resolution and is measured in pixels. [1] [2]

  4. Talk:Optimum HDTV viewing distance - Wikipedia

    en.wikipedia.org/wiki/Talk:Optimum_HDTV_viewing...

    The recommendation section should make it immediately clear that the relationship bewtween screen size, viewing angle, & distance only applies to 16:9 screens. While these are now ubiquitous, there are HD monitors that are 4:3, and 4:3 content will be viewed on 16:9 screens.

  5. Retina display - Wikipedia

    en.wikipedia.org/wiki/Retina_display

    Screen size Resolution Aspect Ratio Pixel density Pixel size (μm) Angular pixel density (px/°; at typ. distance) typ. viewing distance Total pixels ppi px/cm Apple Watch 38mm Retina display 1.34 in (34 mm) 272×340 4:5 326 128 77.9 56.9 10 in (25 cm) 92,480 Apple Watch 42mm (Series 0, 1, 2 and 3) 1.53 in (39 mm) 312×390 121,680

  6. Large-screen television technology - Wikipedia

    en.wikipedia.org/wiki/Large-screen_television...

    The diagonal screen size of a CRT television is limited to about 100 cm (40 in) because of size requirements of the cathode-ray tube, which fires three beams of electrons onto the screen to create a viewable image. A large-screen TV requires a longer tube, making a large-screen CRT TV of about 130 to 200 cm (50 to 80 in) unrealistic.

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    In an instant, these commands improve the readability of the content you're viewing. • Zoom in - Press Ctrl (CMD on a Mac) + the plus key (+) on your keyboard. • Zoom out - Press Ctrl (CMD on a Mac) + the minus key (-) on your keyboard. Zoomed too far? Press Ctrl (CMD on a Mac) + 0 to go back to the default size.

  8. Viewing cone - Wikipedia

    en.wikipedia.org/wiki/Viewing_cone

    The viewing cone refers to the effective viewing directions of an LCD display, as seen from the eye. This collection of angles resembles a cone. The concept has been introduced as an international standard ISO 13406-2, which defines it as the range of viewing directions that can safely be used for the intended task without "reduced visual performance".

  9. Bernard J. Lechner - Wikipedia

    en.wikipedia.org/wiki/Bernard_J._Lechner

    Lechner researched the typical distance between a viewer and their television screen by taking measurements in many American homes. The median distance compiled from all his data came out to 9 feet (2.7 m). Given this distance, a Full HD TV (1080p) with a screen size of 69 inches (180 cm) would deliver the optimal viewing resolution. [7]