Lumen

Definition

This is a term that you will often come across when purchasing your hiking light and is a basic unit for measuring brightness, just as the gram is a basic unit for measuring weight. Lumen is related to the word luminous, which means ‘bright’ or ‘radiant’. A typical light bulb in your home might produce about 1000 lumens.

When hiking, there is no correct amount of lumens to use however one of my favoured headlights, the Petzl E+lite has a strength of 50 lumens. Anything less than this is not going to be to helpful at night-time

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