Posted by kcm.MN on October 09, 2017 at 06:36:26 from (174.219.18.175):
In Reply to: older gents, lites posted by ericlb on October 09, 2017 at 06:24:14:
The difference between candlepower and lumens is in how each is measured. Lumens tells the total amount of light output from the light, whereas candlepower "only" measures the brightest part of the beam.
Using candlepower, a 150 watt floodlight would have a very low rating compared to a 150 watt spotlight, and even the spotlight would have a tiny rating compared to a 150 watt laser!!
With lumens, you would have the same amount of total light output between the three types.
It took me a LONG time to finally get the change in my pea-brain to work halfway decent, so I don't go by CP anymore. Still, there are times when my brain gets confused and tries to go back to the older way of measurement.
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