Old 07-25-2014, 06:25 AM #1
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Default Do I need a lens?

C6 Cree flashlight host
M140 laser module

Do I need a lens? If so where do it get one/ put it?

The video I'm learning from doesn't mention one


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Old 07-26-2014, 10:19 PM #2
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Default Re: Do I need a lens?

Yes you need a lens. Get a 3 element glass for beam specs or a G2 glass lens for up to 30% power increase with a sacrifice of divergence. I like both depending on the l applications. Also I think acrylic lenses have the best specs for producing a nice tight beam and keeping divergence down but they will not work with high powered lasers. I'd keep it under 500mw with an acrylic to be safe. They will melt.
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Old 07-27-2014, 12:41 AM #3
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Default Re: Do I need a lens?

Quote:
Originally Posted by Roofsbyrobert View Post
C6 Cree flashlight host
M140 laser module

Do I need a lens? If so where do it get one/ put it?

The video I'm learning from doesn't mention one
xirrious is entirely correct about all 3 lenses. You can buy the M140 module with or without a lens. If you buy the lens separately you can get them from DTR: https://sites.google.com/site/dtrlpf/home/glass-lenses or Survival Laser USA: Lenses non US customers: Lenses or buy them from AixiZ: AixiZ Blue Laser Glass Lens for 405-455nm, AixiZ

Alan
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Old 07-27-2014, 02:29 PM #4
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Default Re: Do I need a lens?

If you need some help with building shoot me a PM.. I can give you a hand start to finish if you want. I see you have been having some trouble from your post history.
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Old 07-27-2014, 06:03 PM #5
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Default Re: Do I need a lens?

I've offered to build him a 501b as I have two sitting around. And I think we decided 445 with a 3e lens to match the blue anodized host. We will see though
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Wavelength Collection:
700mW 405nm Custom by Isaac T.
50mW 405nm Laser Pen
1500mW 445nm Custom
1000mW 445nm LuckLaser
3100mW 455nm Custom by Isaac T.
200mW 520nm 501B Custom
400mW 532nm SkyLaser HL-300 -Being Replaced.
100mW 532nm Laser Pen
50mW 589nm DragonLasers PGL-III-M
15mW 638nm 501B
800mW 650nm SkyLaser PL-1000
100mW 650nm Laser Pen
5mW 650mm SkyLaser Pen


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