12-26-2012, 05:21 AM
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#5 (permalink)
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Join Date: Aug 2012
Location: Florida
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Quote:
Originally Posted by PoorMansPorsh
Red light cams take photos in fractions of a second. I highly doubt the sensor would be able to sense the flash and emit its own light before the photograph was taken. Luckily for me all the red light cameras were taken down in my city.
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Auto darkening welding masks work on the same principle. The automatic lenses are clear until you strike an arc and darken before the flash can burn your eyes.
Welding Helmet - Save on this Auto-Darkening Welding Helmet
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