What is ‘Beam Angle’?

 

“Beam Angle” is the angle of the light produced by the torch, this is measured at 50% of maximum power;

this is also considered as ‘half angle’ as it is only the angle of one side of the graph (see below).  Hence, to get the actual angle of the beam, you need to double it!

 

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DMC Firewall is developed by Dean Marshall Consultancy Ltd