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100mW green laser not up to the mark ......






SKeeZ

SKeeZ

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Everytime i see a post like this i always think: here we go with another person who bought from some sketchy china distributor...
 
tmackbb4

tmackbb4

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If I bought a few hundred dollar laser and had a problem I would post my issue. But I'm constantly seeing people with concerns about some 20-40 dollar units. I know people want to think they got a deal, but what do they expect. I'm not trying to put anyone down, I just wouldn't go through making a profile to ask about a cheap laser, that's acting like a cheap laser. Again not trying to offend.
 
Blaster

Blaster

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Well we were all noobs at some stage heaps more i want to know .I know what you mean, he needs some encouragement ( like the +1) i gave you .
 
tmackbb4

tmackbb4

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I apologize. Showing initiative by asking a question is great. I wasn't downing him for asking a question. I just didn't see the point of questioning a 32 dollar lasers quality.
 
Pranjal

Pranjal

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tmackbb4 said:
If I bought a few hundred dollar laser and had a problem I would post my issue. But I'm constantly seeing people with concerns about some 20-40 dollar units. I know people want to think they got a deal, but what do they expect. I'm not trying to put anyone down, I just wouldn't go through making a profile to ask about a cheap laser, that's acting like a cheap laser. Again not trying to offend.
Click to expand...

yes , i am a noob in terms of laser (1st buy) i'm happy with it , and 20-40 dollars for americans is nothing , but in india those 20-40 dollars convert into 1200-2400 rupees , which is not less for people (i am not a earning person and i dont get that much of money ) hope you understand why i am not happy with it .
 
tmackbb4

tmackbb4

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Ahh I see. Then yes I understand. But remember buying from places that sell these types of lasers is so hard. You may get junk, you may get a great deal. And you might as well close your eyes and pick because the advertisement is barely ever right. I could recommend an ebay seller overfeel. He has a green laser that lights matches and pops balloon for 27$. And again for a tight budget it's going to be tough finding quality. And believe me, I'm a young father, a few hundred bucks is by far nothing :) Sorry if I came of poorly.+1 for encouragement ;)
 
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Pranjal

Pranjal

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another $27 , LOL , where will i get , just spent all my money on that stupid laser and some magic sand. :p
 
crazyspaz

crazyspaz

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Pranjal said:
yes , i am a noob in terms of laser (1st buy) i'm happy with it , and 20-40 dollars for americans is nothing , but in india those 20-40 dollars convert into 1200-2400 rupees , which is not less for people (i am not a earning person and i dont get that much of money ) hope you understand why i am not happy with it .
Click to expand...

Yea, if you want a quality green laser that will actually be on spec, and be able to burn things, expect to pay 1$ (or about 60 rupees) per mW.

Like previously mentioned, there are a lot of ebay green pens advertised as "5mW" that are more like 80mW...that will pop a balloon for you. Usually they only cost around 10-20USD.

if you want to poke a hole or pop a balloon with the laser you got...tape a needle to it. :crackup: other than that, it won't be doing and damage.

Sorry you got tricked! False advertisement really sucks :( the more lasers you buy (if you buy more), the more of an eye you will develop for scams. Try buying from sites that are trusted by the people on this forum (laserBTB is one example), or buying directly from members here. Good luck!
 
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Pranjal

Pranjal

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just one more question (sry to mind all ppl) i am no expert
but is there a way to prove that IR rays are leaking from my laser ?
a quick test
thanks for all the help :)
 
Pranjal

Pranjal

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is there a way to test whether my laser leaks IR rays or not ?
thanks for your help always ;)
 
Blaster

Blaster

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There's a way to test for I R leak but you need red goggles and a Laser power meter, put red goggles in front of beam and let beam go through the red goggles onto the thermopile ie the power meters sensor the reading on the LPM will be the I R leak amount as the red goggles will block 99.9 %of the green but you haven't got a LPM .Your laser will not have enough power in IR leak to worry about.
 
Blaster

Blaster

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Well that's twice as bad one can only give a basic way to test something, if he doesn't have either of what he needs not much can do about it.
 
Pranjal

Pranjal

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Now I got the JD850 replaced , now I have a JD881 , it has a focus , I tried to pop a balloon , it couldn't pop it but was able to poke a hole in it , is it bad ?
 
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