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Q&A What does lumen and lux for flashlights/torches actually mean?

Most torches have their brightness specified in lumen, sometimes one also sees a lux number, at times both. While the technical meaning of these units are clear (lumen is luminous intensity per ste...

3 answers  ·  posted 8y ago by imsodin‭  ·  last activity 8y ago by System‭

Question gear flashlights