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Old 04-27-2013, 04:57 PM #1
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Default your opinion

Hey guys, how is going? Amm I decide to buy 50mW laser and i`ll searching for googles and found this Laser Eye Protection Safety Glasses Goggles Goggle Glass for Green Blue Laser | eBay is it good for me, or try to find better?


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Old 04-27-2013, 05:37 PM #2
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Default Re: your opinion

Your question can be answered by using the search bar at the top of every page. You're in the right section of the forum. Read all of the stickies, you will find information about safety goggles there. You will have to do much of the work for yourself. That's the nature of the forum.
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Old 04-30-2013, 01:11 AM #3
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Default Re: your opinion

Quote:
Originally Posted by Juras View Post
Hey guys, how is going? Amm I decide to buy 50mW laser and i`ll searching for googles and found this Laser Eye Protection Safety Glasses Goggles Goggle Glass for Green Blue Laser | eBay is it good for me, or try to find better?
These goggles are qualified as below, just FYI.

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Old 04-30-2013, 02:32 AM #4
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Default Re: your opinion

I know some members might be mad about this but, If you know how to use lasers responsibly goggles are not totally necessary.. 50mW is pretty low unless you plan on burning things up close, you will be OK. I only use goggles when I am testing my lasers on a LPM or burning (which is rare).
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Old 04-30-2013, 06:36 AM #5
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Default Re: your opinion

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Originally Posted by eugene420 View Post
I know some members might be mad about this but, If you know how to use lasers responsibly goggles are not totally necessary.. 50mW is pretty low unless you plan on burning things up close, you will be OK. I only use goggles when I am testing my lasers on a LPM or burning (which is rare).
So you're saying that you'd look at the dot of a 1W laser, when not wearing safety goggles?

I'd say if these are for a 50mW laser they'll be fine, but for a higher-power laser I'd get a better pair.

Also, try to name your threads accordingly to your question. Instead of naming it "your opinion" (which could refer to anything), re-name it to "Are these goggles okay?", or something like that.
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Old 04-30-2013, 11:56 AM #6
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Default Re: your opinion

Macular degeneration is painless. Hope you enjoy yours.
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Old 04-30-2013, 04:22 PM #7
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Default Re: your opinion

Quote:
Originally Posted by Gun View Post
So you're saying that you'd look at the dot of a 1W laser, when not wearing safety goggles?

I'd say if these are for a 50mW laser they'll be fine, but for a higher-power laser I'd get a better pair.

Also, try to name your threads accordingly to your question. Instead of naming it "your opinion" (which could refer to anything), re-name it to "Are these goggles okay?", or something like that.
What I'm saying is that I look at the dot of my 1.7W blue laser when not wearing safety goggles.

Contrary to popular belief, it's not freaking Ark of the Covenant. You wanna pull up some diffuse reflection power density formulas and work it out? Seriously, you only need goggles if you are alligning dichros, mirrors, cubes, or burning/engraving something.

Pointing around the room kinda loses purpose when you're unable to actually see the laser.

Neccessary degree of safety MUST be maintained, but using common sense, reason and responsibility, not buying goggles and forgetting about the whole "safety" thing the moment you put them on.

I've been making this point for a while and I'll keep making it.
Goggles =/= instant safety.

It's like saying you're free to drag tires and drift corners the moment you put your seatbelt on.
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Old 05-01-2013, 12:10 AM #8
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Default Re: your opinion

Quote:
Originally Posted by Eudaimonium View Post
What I'm saying is that I look at the dot of my 1.7W blue laser when not wearing safety goggles.

Contrary to popular belief, it's not freaking Ark of the Covenant. You wanna pull up some diffuse reflection power density formulas and work it out? Seriously, you only need goggles if you are alligning dichros, mirrors, cubes, or burning/engraving something.

Pointing around the room kinda loses purpose when you're unable to actually see the laser.

Neccessary degree of safety MUST be maintained, but using common sense, reason and responsibility, not buying goggles and forgetting about the whole "safety" thing the moment you put them on.

I've been making this point for a while and I'll keep making it.
Goggles =/= instant safety.

It's like saying you're free to drag tires and drift corners the moment you put your seatbelt on.
I don't know man. Putting goggles on instantly lets me point at any mirror or shiny object.

I agree though, that if you've got a nice white wall to point at from a few meters away - no harm done. If you step things up to ~500mws of 532... well its not as comfortable anymore. Hell, even 30mws of 532 in the twilight give my flashblinded-ness... and Meatball doesn't like very much.

I would say putting on goggle certainly lets you drag tires and drift corners, and also causes a good habit for whenever you plan on exceeding 60 km/hr.



You're right though, common sense wins a lot of the time, but sh*t does happen too often and too easily when you're running things at the speed of light.

Too many times I had to say

"Whew! Good thing I was wearing these suckers this time!"
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Old 05-01-2013, 12:15 AM #9
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Default Re: your opinion

Well said Eudaimonium, I totally agree

I do believe every laser enthusiast should own a pair of decent goggles, it's just common sense and the responsible thing to do..
But like you said "Pointing around the room kinda loses purpose when you're unable to actually see the laser."

Just be careful or this might happen to you hahahhaha

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Old 05-01-2013, 12:48 AM #10
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Default Re: your opinion

My primary point, promoting common sense and all, is that goggles protect you, and you only.

You wanna buy a pair of goggles for every single person within walking distance to your room/workshop, be my guest. Or you can simply start shaping your laser usage habits and muscle memory to avoid every dangerous situation. Do not point at doors, windows, picture frames, down the hallway, down the driveway, etc etc etc. It's stuff that seems like it simply disappears the moment you put on the goggles. You feel safe. People around you don't.

Also to make clear, I don't start the laser and stare at the dot on the white wall for 30 minutes. I just normally use it, you know, play with it the way you'd normally (safely) do. Turn the laser on, wave it around, maybe light up some GITD caps I have over on the table. Go back to what I was doing.
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Old 05-01-2013, 01:31 AM #11
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I don't even have any goggles, they're useless on a RGB projector
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Old 05-01-2013, 01:37 AM #12
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Default Re: your opinion

Those particular goggles will work for 50mW green, but they suck because that red filter is such a pain to look through. Nothing is worse than goggles that you have to lift up to see what you're doing.
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Old 05-01-2013, 07:04 AM #13
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Default Re: your opinion

Quote:
Originally Posted by Eudaimonium View Post
My primary point, promoting common sense and all, is that goggles protect you, and you only.

You wanna buy a pair of goggles for every single person within walking distance to your room/workshop, be my guest. Or you can simply start shaping your laser usage habits and muscle memory to avoid every dangerous situation. Do not point at doors, windows, picture frames, down the hallway, down the driveway, etc etc etc. It's stuff that seems like it simply disappears the moment you put on the goggles. You feel safe. People around you don't.

Also to make clear, I don't start the laser and stare at the dot on the white wall for 30 minutes. I just normally use it, you know, play with it the way you'd normally (safely) do. Turn the laser on, wave it around, maybe light up some GITD caps I have over on the table. Go back to what I was doing.
You make some good points, you're probably right. It's always just been drilled into me "WEAR SAFETY GOGGLES WHEN USING LASERS OVER 5mW!", I guess I got a bit over cautious. If I was using my 50mW 532nm Laser in my room, would you recommend I wear goggles?
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Old 05-01-2013, 07:09 AM #14
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Default Re: your opinion

Quote:
Originally Posted by Eudaimonium View Post
What I'm saying is that I look at the dot of my 1.7W blue laser when not wearing safety goggles.

Contrary to popular belief, it's not freaking Ark of the Covenant. You wanna pull up some diffuse reflection power density formulas and work it out? Seriously, you only need goggles if you are alligning dichros, mirrors, cubes, or burning/engraving something.

Pointing around the room kinda loses purpose when you're unable to actually see the laser.

Neccessary degree of safety MUST be maintained, but using common sense, reason and responsibility, not buying goggles and forgetting about the whole "safety" thing the moment you put them on.

I've been making this point for a while and I'll keep making it.
Goggles =/= instant safety.

It's like saying you're free to drag tires and drift corners the moment you put your seatbelt on.
This! Well put sir and a +1 to you

To the OP, get a decent set of OD4+ rated goggles for when you need them and don't be an idiot with your laser. Cajunlasers.com has some particularly affordable ones. Justinja(I think spelling?) sells some straight off the B/S/T section also that are good.
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Old 05-01-2013, 12:49 PM #15
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Default Re: your opinion

Quote:
Originally Posted by Gun View Post
You make some good points, you're probably right. It's always just been drilled into me "WEAR SAFETY GOGGLES WHEN USING LASERS OVER 5mW!", I guess I got a bit over cautious. If I was using my 50mW 532nm Laser in my room, would you recommend I wear goggles?
No, 50mW does not neccessitate goggles.

Like I said - common sense. Don't point at metal, shiny and reflective stuff, don't point where people CAN be (down hallways, doors, closed windows).

And you're perfectly fine.
Once you get the "safe laser usage practice" in your routine, your mindset, you make the world a little bit safer.
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Last edited by Eudaimonium; 05-01-2013 at 12:49 PM.
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Old 05-01-2013, 05:53 PM #16
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Default Re: your opinion

Quote:
Originally Posted by Eudaimonium View Post
No, 50mW does not neccessitate goggles.

Like I said - common sense. Don't point at metal, shiny and reflective stuff, don't point where people CAN be (down hallways, doors, closed windows).

And you're perfectly fine.
Once you get the "safe laser usage practice" in your routine, your mindset, you make the world a little bit safer.
Do you use glasses when you pop ballons few metters away?
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Last edited by FatalaS; 05-01-2013 at 05:57 PM.
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