I was just reading an old post , explaining the difference in measuring lumens from the emitter, as opposed to out the front lumens. What companies other than surefire measure their lights in out the front lumens?
From the earlier post i found out that most lights will lose between 20 to 30% of their lumens from the emitter to out the front. I would say my new eagletac, although claiming 295 lumens will probably actually put out about 230.
What companies measure from out the front?
From the earlier post i found out that most lights will lose between 20 to 30% of their lumens from the emitter to out the front. I would say my new eagletac, although claiming 295 lumens will probably actually put out about 230.
What companies measure from out the front?