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Old 02-12-2017, 09:18 AM #33
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Default Re: Searching low power blue laser

Right now I do not care what kind of technique it is, as long as it is some kind of blue. I am a beginner. Maybe someday I will have higher demands, who knows

I wrote a mail to laserbtb and asked my questions. Now waiting for response.

Thank you all for your help!


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Old 02-12-2017, 04:28 PM #34
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Default Re: Searching low power blue laser

You can have a look at what a 5mW 520nm green looks like here: Review: Laserlands 520nm 5mw pointer

445nm blue will only be approx. 10% as bright to the eye at same output power.
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Old 02-13-2017, 06:27 AM #35
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Default Re: Searching low power blue laser

Hm, seems to be impossible to have a blue pointer with at least a slight beam without eye damaging power...
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Old 02-13-2017, 07:28 AM #36
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Default Re: Searching low power blue laser

Quote:
Originally Posted by CrescentEclipse View Post
Hm, seems to be impossible to have a blue pointer with at least a slight beam without eye damaging power...
A 473nm 5mW will have a good visible beam in the dark. While it isn't going to be as bright as 532nm it's still visible

-Alex
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650nm: (laserbtb) LP650-5 6mW
635nm: (eBay) Generic "Laser Pointer Pen 5mW
532nm: (Z-Bolt) BTG-2-S 3mW | (eBay) CNI MGL-F-532 2.6W
515nm: (eBay) Generic "Laser Pointer Pen" 14mW
473nm: (eBay) CNI GLP-473 6mW
447nm: (ReadyLasers) CNI GLP-447 3mW
405nm: (Roithner) CNI GLP-405 12mW

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Old 02-13-2017, 08:23 AM #37
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Default Re: Searching low power blue laser

Quote:
Originally Posted by Hap View Post
A 473nm 5mW will have a good visible beam in the dark. While it isn't going to be as bright as 532nm it's still visible

-Alex
So, as Alex said, maybe you need to save up some bucks for this awesome wavelength.

Or you can get one laser for playing and one for a nice beam, but not eye safe - in class 3B (or even 4).
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