California - TEST AUXITO HEADLIGHT BRIGHTNESS: LUX VS. LUMENS | F150gen14 -- 2021+ Ford F-150, Tremor, Raptor Forum (14th Gen) | News, Owners, Community, Discussions
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LISUN - Lumen test difference between integrating sphere and goniophotometer As well as we know that for the LED luminaires lumen test, the CIE121: 1966 Clause 6.1, CIE127-2007 Clause 6.2 and IES-LM-79-08
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