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Old 01-15-2014, 03:33 AM #1
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Default [B]WTB ~100mw 532nm[/B]

looking to spend around $50

was debating between
SFCG-100 532nm Green

and
[COLOR="rgb(105, 105, 105)"]LP 515nm 532nm 1-150[/COLOR]

any wisdom/input would be great


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Old 01-15-2014, 06:10 AM #2
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Default Re: [B]WTB ~100mw 532nm[/B]

Both are good! Now just decide which host you like best!
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Old 01-15-2014, 06:12 AM #3
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Default Re: [B]WTB ~100mw 532nm[/B]

Out of those two I would choose LaserBtB
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Old 01-15-2014, 08:16 AM #4
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Default Re: [B]WTB ~100mw 532nm[/B]

thanks for the input does anyone know where laserbtb ships from??
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Old 01-15-2014, 12:16 PM #5
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Default Re: [B]WTB ~100mw 532nm[/B]

china
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Old 01-15-2014, 09:38 PM #6
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Default Re: [B]WTB ~100mw 532nm[/B]

Laserbtb is really good though! Took a week exactly for me to receive my HL445, I love it ._.
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Old 01-15-2014, 09:53 PM #7
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Default Re: [B]WTB ~100mw 532nm[/B]

wouldnt the duty cycle of the sfcg 100 be better then a pen host
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Old 01-15-2014, 10:04 PM #8
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Default Re: [B]WTB ~100mw 532nm[/B]

I like them both really. I would personally choose the sfcg for longer run time , and longer batty life. It's just more of a beefy host. The laserbtb pen is nice too. I think they have a key switch with indicators which is a nice feature. You picked two nice lasers. Just up to suits YOUR needs, or preferences
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Old 01-15-2014, 10:08 PM #9
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Default Re: [B]WTB ~100mw 532nm[/B]

does the sfcg have an ir filter
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Old 01-15-2014, 10:11 PM #10
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Default Re: [B]WTB ~100mw 532nm[/B]

Depends on what you're going for, pen-covert style or robust and long duty cycle
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Old 01-15-2014, 10:20 PM #11
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Default Re: [B]WTB ~100mw 532nm[/B]

I don't believe so. Or does the laserbtb pen. I think one can be requested on their larger models. I'm not sure about the pen. I could be wrong though.
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Old 01-15-2014, 10:24 PM #12
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Default Re: [B]WTB ~100mw 532nm[/B]

laserbtb offers one for the pen just wondering how bad it was on the sfcg
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Old 01-15-2014, 10:28 PM #13
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Default Re: [B]WTB ~100mw 532nm[/B]

Your asking the wrong guy. Ir while dangerous is just a part of the process. Many guys here preach about ir because they like to say how dangerous things are. Like passing along a horror story. It's in people's nature. The truth is all lasers are dangerous ir or not, and one laser should not be treated as more or less dangerous because of ir. treat all of your lasers the same, because they are all dangerous. Unless it a hugely crappy laser with something crazy like 70% ir, I would not base my purchase on filtered or not with quality lasers like these .
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Old 01-15-2014, 10:36 PM #14
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Default Re: [B]WTB ~100mw 532nm[/B]

ok and thank you again one last question once i get the sfcg how do i add it and my other lasers to the bottom of my posts like most of the other people have
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Old 01-15-2014, 11:03 PM #15
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Default Re: [B]WTB ~100mw 532nm[/B]

Go to your user control panel, and click on edit signature. You can build a signature and show off like the rest of us lol
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405nmMarble Zaser 1060mw *
405nmFocus pen 80mw Pman
445nm Cypress 2750mw*
445nm MS-Envy 2645mw*
445nmMarble Zaser 2940mw*
445nmMag Light Mr crouse Heatsink 2790mw Jayrob & Speedy78*
445nmWicked Laser EVO E2 Custom M140 G2 1580mw*
520nm Sipik 125mw*
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638nmMarble Zaser 510mw *
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Chauvet 40 DMX Controller Brucemir
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Need a custom build? Send me a message

LED's - TK75vn killerthrow, BTU Shockervn, MX25L3vn, D40avn, TK61vn ( 622kcd!!) , D25Cvn ti, Mm15vn, V11rvn, V25cvn, C20cvn, S200c2vn, convoy m1 xml2 3a X2 , convoy c8, Tcr10vn, Tcr2vn VIP, X60vn V2, Hc90vn , Mh25, K40mvn (mtg2),Sd6vn, Pd35vn (xpl triple) Sinner titanium xml2
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Old 01-15-2014, 11:08 PM #16
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Default Re: [B]WTB ~100mw 532nm[/B]

Quote:
Originally Posted by Tmack View Post
Ir while dangerous is just a part of the process. Many guys here preach about ir because they like to say how dangerous things are.
Maybe someone with more technical knowledge than I have should answer the questionhow dangerous the 10-30mW IR in these 532nm lasers really is (Cyparagon?).

But I give it a try,
IR has a higher divergence than the visible-wavelength spectrum - divergence is getting lower to UV, the shorter wavelengths.
Afaik with IR wavelength higher than 1300nm the transparent parts of the eye absorb the laserlight before it reaches the retina to cause damage.

As the IR is mostly uncolliminated in these 532nm pens, the energy per unit surface gets much faster smaller than with the 532nm.

On the other hand you donīt see IR as fast as the photons of the visible spectrum. So the eye’s reflexive look-away response time (blinking reflex) is slower with IR.

^donīt fully count me on that said above




Personally, during my 532nm laser usage, I donīt worry to much about the IR in the 532nm lasers when working with reflective or burning stuff. The highest IR values from a laser I have is only 15mW at room temperature.

When it is too cold for producing green light, these cheap green pens sometimes produce only +50mW of IR.
Once, back in 2010, when I got two DinoDirect claimed 100mW pens (in the winter-time) I started them, but saw no output. I then carefully looked closer and saw a faint red-light. Back in the days I knew shit about IR. I thought that they sent me a very low powered red laser. Put after putting it onto my LPM, I read +60mW of this "low powered red laser". Once it was heaten up a bit, it turned to green output.
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532nm >> Novalasers Alpha HP peak@284mW
589nm >> CNI PGL-III-A peak@89mW
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