Old 11-22-2014, 03:09 PM #1
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Question Best laser for 10$

Hello,
I'm looking for the best laser possible for 10$ only. It is not a problem for me to order on chinese website. I'm looking for a very high range and power.
Thanks


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Old 11-22-2014, 03:57 PM #2
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Default Re: Best laser for 10$

New Arrival 50000mW Adjustable Focus Burning Match Lazer 301 Green Laser Pointer Pen with Safe Key for Sale 8000 Meters-in Laser Pointers from Office & School Supplies on Aliexpress.com | Alibaba Group

Seems legit to me(sarcasm)
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Old 11-22-2014, 04:09 PM #3
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Default Re: Best laser for 10$

Can someone give me a much more serious response for my question?
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Old 11-22-2014, 04:10 PM #4
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Default Re: Best laser for 10$

Nothing for $10. $10 will buy you a laser 301 or 303 from eBay that can pop balloons.

The laser upaa27 posted is a laser 301 that probably has enough power to pop balloons.

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Old 11-22-2014, 04:11 PM #5
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Default Re: Best laser for 10$

Your question is not serious. It is not possible to fulfil your requirements. Please go buy safety goggles with the first 10 dollars that you have. You only get 1 pair of eyes in your whole lifetime! After that, go to laserbtb.com their lasers are very good and high quality. they are a bit more expensive though. Please do not buy cheaper lasers. They will have lots of IR and will be VERY dangerous because of it. Please just buy a good quality one, no one from a sh*tty Chinese company. :0
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Old 11-22-2014, 04:14 PM #6
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Default Re: Best laser for 10$

All cheap chinese laser will not have IR for example a 405nm or 650nm...........However like kilter said, most noobs buy green which will have IR.
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Old 11-22-2014, 04:17 PM #7
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Default Re: Best laser for 10$

Quote:
Originally Posted by USAbro View Post
All cheap chinese laser will not have IR for example a 405nm or 650nm...........However like kilter said, most noobs buy green which will have IR.
True, however, they are usually very bad quality and can break easily. Just spend the extra money and buy a nice one from laserbtb.
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Old 11-22-2014, 04:18 PM #8
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Default Re: Best laser for 10$

I have already a 301 witch doesn't burn matches... How much does i have to spend to get a powerful laser for a reasonable price ?
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Old 11-22-2014, 04:22 PM #9
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Default Re: Best laser for 10$

What does powerful mean to you?
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Online calc. to determine spot intensity at different mRad's & powers: http://tinyurl.com/divergence-calculator

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Old 11-22-2014, 04:25 PM #10
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Default Re: Best laser for 10$

It mean for me a very good range and possibility to cut / burn soft objects.
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Old 11-22-2014, 04:34 PM #11
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Default Re: Best laser for 10$

I do not need to "burn" especially. I just want a laser that can have a very good range for something like 50$
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Old 11-22-2014, 04:37 PM #12
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Default Re: Best laser for 10$

How much power do you want the output to have and what color?
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Divergence to spot size calc: - 1 mRad is about .057 degrees which expands to be ~very~ roughly ~10% the diameter of the moon or sun at their distances.

Divergence Calculator: pseudonomen137's JScript mRad Calculator - Measure your lasers beam dia. at 1 foot & then 20'.

Online calc. to determine spot intensity at different mRad's & powers: http://tinyurl.com/divergence-calculator

Laser Power Density Calculator: Laser Power Density Calculator - Ophir

Build a beam expander to reduce divergence: http://tinyurl.com/BeamExpander

University YAG Project The Professor's Homebuilt Lasers Site - YAG Lasers

YAG Power Calc. Laser Peak Power Calculator - Ophir

Angular Size Calculator; use with diode angle of radiation spec. for lens dia. at FL: Angular Size Calculator

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Old 11-22-2014, 04:38 PM #13
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Default Re: Best laser for 10$

I don't know what my demand represent in term of mW. Any color would be great
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Old 11-22-2014, 04:46 PM #14
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Default Re: Best laser for 10$

Quote:
Originally Posted by chinaser View Post
I do not need to "burn" especially. I just want a laser that can have a very good range for something like 50$
$50? I thought you said $10. This would work but you need safety goggles.

SF501B 532nm Green
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Old 11-22-2014, 04:49 PM #15
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Default Re: Best laser for 10$

If you just want to burn things, the most bad ass laser I've had for the money is a 16X BDR-209 Bluray Diode laser module I bought from DTR Laser Shop. It's 405nm and a violet blue color. It doesn't have much of a beam you can see and for the power the spot is not that bright but it burns like nothing I've seen before. Only thing is I think it is dangerous because it doesn't appear very bright due to the sensitivity of the eye at that color. I wouldn't want one of those laying around in a host without a key in it, some kid will likely blind themselves if they got a hold of it, or someone else.

IR is dangerous because you can't see it and no blink response

This is dangerous because you can see it, but it appears to be fairly low power due to the sensitivity of the eye at that wavelength, but it burns like the tip of a needle on a hot poker and does so very quickly.

It burns much faster than some IR lasers I've had at close to its power output, I think of it as a nasty little burner, point at the ceiling with white paint on it and you will quickly burn a spot there, the IR's I've had just aren't so quick and can't be focused to burn at a long distance like this thing can. I suppose the reason for that is with this 405nm laser you can see the beam enough to easily focus it at a distance across a room, IR you can't focus so easily because it's invisible... well, except for a very dim red dot you can see when focused onto something close and if you can see that dot, that's another problem, you could get a reflection invisibly bright enough to cause harm.
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Attention new brothers of the collimated light!

Newbie advice: Please take the time to first make an introduction in the Welcome section before posting questions: - https://laserpointerforums.com/f37


Divergence to spot size calc: - 1 mRad is about .057 degrees which expands to be ~very~ roughly ~10% the diameter of the moon or sun at their distances.

Divergence Calculator: pseudonomen137's JScript mRad Calculator - Measure your lasers beam dia. at 1 foot & then 20'.

Online calc. to determine spot intensity at different mRad's & powers: http://tinyurl.com/divergence-calculator

Laser Power Density Calculator: Laser Power Density Calculator - Ophir

Build a beam expander to reduce divergence: http://tinyurl.com/BeamExpander

University YAG Project The Professor's Homebuilt Lasers Site - YAG Lasers

YAG Power Calc. Laser Peak Power Calculator - Ophir

Angular Size Calculator; use with diode angle of radiation spec. for lens dia. at FL: Angular Size Calculator

RHD's Relative Brightness vs Wavelength Calc: https://tinyurl.com/RHD-brightness

High Current Pulse Diode Drivers: https://tinyurl.com/ya7whuk3

Last edited by Alaskan; 11-22-2014 at 05:25 PM.
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Old 11-22-2014, 06:04 PM #16
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Default Re: Best laser for 10$

Here is a 1000mw 450nm blue on sale for 50% off at $49.95 + free postage
for next 8 days. Cubote One 450nm 1000mw Blue Laser Pointer With Focusing Function Can Burn Cigarettes (Silver)

Last edited by Encap; 11-22-2014 at 06:05 PM.
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