[B]WTB ~100mw 532nm[/B]

looking to spend around $50

was debating between
SFCG-100 532nm Green

and
LP 515nm 532nm 1-150

any wisdom/input would be great

Both are good! Now just decide which host you like best!

Out of those two I would choose LaserBtB

thanks for the input does anyone know where laserbtb ships from??

china

Laserbtb is really good though! Took a week exactly for me to receive my HL445, I love it ._.

wouldnt the duty cycle of the sfcg 100 be better then a pen host

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

does the sfcg have an ir filter

Depends on what you're going for, pen-covert style or robust and long duty cycle :beer:

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.

laserbtb offers one for the pen just wondering how bad it was on the sfcg

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 .

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

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

Tmack said:

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.

Click to expand...

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 don´t 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.

^don´t fully count me on that said above




Personally, during my 532nm laser usage, I don´t 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.