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Posted: 3/11/2005 5:53:55 PM EDT
[Last Edit: 3/11/2005 5:54:33 PM EDT by acman145acp]
If you increase from say 65 to 105 or 120. How much farther will it allow you to light up a target.
Link Posted: 3/11/2005 6:23:36 PM EDT
[Last Edit: 3/11/2005 6:25:57 PM EDT by BrightFlashlights]
Link Posted: 3/11/2005 6:57:45 PM EDT
Thanks for the info.
I was testing the packedge I got from you today and it made me start thinking about something for a varmint rig.
Link Posted: 3/11/2005 9:23:18 PM EDT
You might want to think about a Turbo head if you want more range.
Link Posted: 3/12/2005 4:26:52 AM EDT
[Last Edit: 3/12/2005 12:30:30 PM EDT by twl]
Link Posted: 3/12/2005 5:51:09 AM EDT
Okay really good answers.

My next question is subjective I know but any info is apreciated.

What is your opinion on the throw distance.

Between a G2 putting out 65 lumens and a surefire putting out 120 lumens with a turbo head" i dont know what model light this would require but i would want it to be weapons light"

I understand this would be perceived usability by the user but I know how far I can see with the g2 so I figure I can adjust the numbers accordingly"might get me close".

Thanks again
Link Posted: 3/12/2005 6:22:13 AM EDT
The lumen is a measure of the amount of light flowing from a source - more thatn you want to know here:

hyperphysics.phy-astr.gsu.edu/hbase/vision/lumpow.html#c3

In my experience, a 6v SF allows target ID out to 50 yds, a 9v out to almost a hundred, and a 9v turbohead close to 200 with an ACOG. This assumes a target out in the open - trying to find a hidden or camoflaged target, somewhat less.
Link Posted: 3/12/2005 6:56:46 AM EDT
lumens to candelight power?
Link Posted: 3/12/2005 7:51:13 AM EDT

Originally Posted By Frisky-Ferret:
lumens to candelight power?



No direct conversion. Lumens is the measure of the amount of light in total, candlepower is the highest iluminance at one single point.
Link Posted: 3/12/2005 8:04:13 AM EDT

Originally Posted By BrightFlashlights:

Originally Posted By acman145acp:
If you increase from say 65 to 105 or 120. How much farther will it allow you to light up a target.



It will not double the range, though generally you can witness an approx. 20-30% increase in range with the P90 or P61 lamps over a P60. The biggest differences with increased lumens are often the hotspot intensity & better, whiter flood. Range often has to do more with the reflector format than the lumens rating.



I've found this to be right, as I have all of the lamps you mentioned. I especially notice the slightly increased intensity of the main light area. Seems like I get a bit more range with the p90 over the p60, but not as much as the difference is on paper.
Link Posted: 3/12/2005 12:06:28 PM EDT
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