Ideal viewing distances for different HD resolutions


HD Blog has found a cool little chart (via Carlon Bale) that is supposed to show you the optimum viewing distance from a TV or projection image based upon the image size, distance sitting from the display, and the resolution:

There are a few obvious factors to being able to detect resolution differences: the resolution of the screen, the size of the screen, and the viewing distance. To be able to detect differences between resolutions, the screen must be large enough and you must sit close enough. So the question becomes “How do I know if need a higher resolution or not?”. Here is your answer.

Based on the resolving ability of the human eye (with 20/20 vision it is possible to resolve 1/60th of a degree of an arc), it is possible to estimate when the differences between resolutions will become apparent. Using the Home Theater Calculator spreadsheet as a base, I created a chart showing, for any given screen size, how close you need to sit to be able to detect some or all of the benefits of a higher resolution screen.

Click on the image above to see the full-sized image.

Related stories: Do HDTVs display poorer quality standard definition pictures? | Forget 1080p, look on to 1440p, then 2160p?

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