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-   -   3 watt 445 vs 1 watt 520? (https://laserpointerforums.com/f44/3-watt-445-vs-1-watt-520-a-96895.html)

green lasers rock 04-01-2016 05:26 AM

3 watt 445 vs 1 watt 520?
 
I was just wondering which appears brighter:D

Razako 04-01-2016 05:28 AM

Re: 3 watt 445 vs 1 watt 520?
 
1W 520 by FAR.

lazerman121 04-01-2016 05:44 AM

Re: 3 watt 445 vs 1 watt 520?
 
Here is a good calculator
Relative Laser Dot Brightness Calculator: (445nm 3000mw) vs. (520nm 1000mw)

Lifetime17 04-01-2016 09:34 AM

Re: 3 watt 445 vs 1 watt 520?
 
Hi,
1 W 520nm is the answer here i have quite a few 520's and all are brighter than any of my 450's or 445nm lasers. You will be amazed with a 1 w 520 with a driver set to 2.4A's .

Rich:)

mortuus 04-01-2016 09:35 AM

Re: 3 watt 445 vs 1 watt 520?
 
nothing can really come close to brightness of green lasers, thats how our eyes works.

Jaetpack1 04-01-2016 10:08 AM

Re: 3 watt 445 vs 1 watt 520?
 
Most green lasers are much brighter than any other differently colored lasers.

RedCowboy 04-01-2016 10:30 AM

Re: 3 watt 445 vs 1 watt 520?
 
5 watts of 470nm NUBM07E looks about as bright, and it burns too, a 1w green looks bright, but as a burner I'm sure it's like..." Where's the beef. "
Also you spend less money for the 5 watt SKY BLUE laser than the 1 watt GREEN laser.

Pman 04-01-2016 10:34 AM

Re: 3 watt 445 vs 1 watt 520?
 
Keep in mind brighter to our eyes doesn't have anything to do with burning ability. That calculator doesn't take into account things like divergence and /or power density.

Lifetime17 04-01-2016 11:24 AM

Re: 3 watt 445 vs 1 watt 520?
 
Hi,
As Pman and Red said 445nm and 450 are cheaper and put out larger amounts of Wattage for burning. 520nm 1 W is ok if your looking for a very visible beam, Yes a 5W to 7+W blue is sweet and you get more from your cash.

Rich:)

Vision 04-01-2016 11:24 AM

Re: 3 watt 445 vs 1 watt 520?
 
Quote:

Originally Posted by RedCowboy (Post 1411642)
5 watts of 470nm NUBM07E looks about as bright, and it burns too, a 1w green looks bright, but as a burner I'm sure it's like..." Where's the beef. "
Also you spend less money for the 5 watt SKY BLUE laser than the 1 watt GREEN laser.

Pfttt when 470nm gets in the 7W+ range. Then I'll consider. :na:


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