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Reply to "FIS Photocell Spec"

I see.

One minor point, the beam diameter is actually not mandated in the spec. At least it's not noted in the FIS Timing Booklet. However, it does state "the technical concept of the photocell is not restricted by the FIS." I believe that means that manufacturers can achieve the requirements how ever they'd like (within reason), and I see that adjusting the diameter is one way to do it.

Thanks for the info.

-- Mark
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