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The Nascar Camera Tech Behind a Historic 0.001s Photo Finish
How camera technology ensured that NASCAR got the right winner in its closest race ever.
Even looking at an image of the “photo finish” doesn’t make picking a winner all that easy, although that is precisely how NASCAR officials determined that Larson (#5) bested Chris Buescher (#17). NASCAR uses the FinishLynx line-scan photo-finish camera and software system, which is also used in many athletic endeavors, including IndyCar, Formula1, MotoGP, professional cycling, and track and field. The image of Larson winning the race is a composite of thousands of thin vertical pictures captured at the finish line rather than a single frame.
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