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What is the difference between OD and EN 207 L-ratings?

April 26, 2017difference od

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What is the difference between OD and EN 207 L-ratings?

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EN 207 L-ratings take the length of time for which protection is guaranteed into account, namely 10 seconds for CW lasers or 100 pulses. Further, EN 207 demands that both the frame and the lens meet the L-rating.