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How to choose the diagonal and screen resolution?

Below is a graph to help those who choose a screen for home theater.

Graph the dependence of the viewing distance of the screen diagonal

THX (Tomlinson Holman's eXperiment) - requirements for high-quality home theater systems. In order for the cinema to conform to THX, the person sitting in the back row of the cinema must have a screen viewing angle of at least 26 °. The recommended viewing angle is 36 °.
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The visibility advantages of 480p, 720p and 1080p are calculated based on the characteristics of human vision. A person with normal vision is able to detect or separate parts that are 1 angular minute in size ( eng ).

Calculations took here , the idea of ​​graphics took on Engadget . The same graph in SVG . For 40-200 diagonals ": png and svg .

UPD ( March 18 ): With the submission, MaximKat replaced the text “Benefits are visible ...” with the more accurate “All benefits are visible ...”.

Source: https://habr.com/ru/post/87905/


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