on 2012-07-11 10:42 Bruce Walker wrote
What's the point of the "eyes this far from the screen" thing? Does a joke appear? I can't focus at that distance and it's all a blur.
i can't focus that closely either (it's less than a third of my normal viewing distance, with glasses) but the point is to achieve the angles of view indicated by the faint circles; it will vary on each display, but for me i had to be at about 250cm to get the correct angle of view
the angles are measured from the center, so the 10° circle will actually be 20° wide if you are at the correct distance; i tried to find other sources for this information, and gave up for lack of time, though i was left with the impression that the visual field varies quite a bit from person to person
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