Actually, what I was trying to show was the comparison between a camera and a human eye / brain combo is bogus.
Every other human endeavor that involves tracking a moving object with the eye does not get so silly as to suggest that the best way is to move your eyeballs only and keep your head rigid. If there ever was an advantage to this teaching, the advantage was small compared to the cost - the inability to actually see the ball clearly all the way to the glove from as close to the plate as a SB umpire typically is.
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Tom
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