Testing the brightness of a headlights beam pattern

The Difference Between Lux and Lumen: What is Brightness?

When looking for new headlights, such as LED headlight bulbs, everyone wants to know “What’s the brightest headlight bulb?” Well to answer that question and to truly get a better picture of what “brightness” is, we need to get scientific … Continue reading The Difference Between Lux and Lumen: What is Brightness?