Old 12-25-2015, 02:31 AM #17
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Default Re: Still hard to check the wavelength between 405nm and 445nm

Simple way to tell for anyone else that might get this issue. Go in a small room and hold it up to a ceiling. If the room has that blacklight glow it's a 405.

445 will have a weird blueish glow.

even around 50mw of 405 will do it. 405 will also have a dot you cant focus well with your eyes on unlike other lasers and it will look purplish.No idea why they called it bluray


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"5mw" overspec IQS Blu-ray does around 50mw
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808nm over a watt from a 400mw green that came loose and lost the crystal set
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Old 12-28-2015, 07:57 AM #18
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Default Re: Still hard to check the wavelength between 405nm and 445nm

Okay
I did not look hard at the pics in the OP-

these are the same 3$ lasers anyone can get w/ free ship if they keep bidding low-NONE wil be 'blue' ....no way no how-
its a blue-ray diode and to some in china that makes it a blue laser-

this thr isead too much fuss over a cheap pen pointer- you did not know what you were doing/buying- complaining to the sender is petty--

move on

buy from LPF members and none of this willh happen.

--at first 405 pointers were $140 and a were actually just 5 mW
you got a good deal in retrospect..

hak
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QS/FB3 +Beyond-APC40-Mamba Black(clone) 5paghettix2 and I-show x2-Kasio synth-midi
KGB- 532 1.1W 445 2.2W 655 1.3W DT Pro 40 still needs more red.
KGB1W+ 532 DT Pro 40 soon to be GB.
Laserking 1300RGB FULL COLOR 30K(may be FS)
Laserking RGB LK PD2 500 and LK SD 850
REKE RGB 500- G 300
HeNes-(12)R(3)G-COH-594/5 mW-thnx DrSam
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445nm 180mW-Mini spiro-Yob.
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Spacelas 1178mW 655nm/AixiZ 300mW532&
2 B&W 473nm 5/6mW lab
JETLRS1.3W&1.2W-MGL-H
638 180mW ttl mimi lab (av. 230mW)
405 100mW ttl mini lab
445 300 mW ttl mni lab ^AixiZ^ all for a lumia PJ
*MightyMite 2000* RGB all diode 2.2W 30K- 637/520./450...NEW!!
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Last edited by hakzaw1; 12-30-2015 at 11:24 PM.
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Old 12-30-2015, 07:32 AM #19
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Default Re: Still hard to check the wavelength between 405nm and 445nm

Quote:
Originally Posted by Ears and Eggs View Post
Not sure if you were able to get this resolved yet, but as others have said the colors should be visibly quite different. I would send the seller a copy of your picture showing the two identical dots along side the picture I have posted below:


This is a picture I took of my collection last year. On the far left is 405, and to the right of it is 445. This is what it should look like. This was taken with just a basic point and shoot camera, so not a case of an expensive camera being better able to distinguish the wavelengths.




Really perfect suggestion. You are clever enough to fix the roll laser pen with clips.
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Old 12-30-2015, 11:25 PM #20
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Default Re: Still hard to check the wavelength between 405nm and 445nm

Simon--where did you score those high-tech laser holders??? ha ha ha

J/K I have used them too...
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& Spend some hours reading at LASERPOINTERSAFETY.COM

powered by PANGOLIN-ILDA Member since 2014.

QS/FB3 +Beyond-APC40-Mamba Black(clone) 5paghettix2 and I-show x2-Kasio synth-midi
KGB- 532 1.1W 445 2.2W 655 1.3W DT Pro 40 still needs more red.
KGB1W+ 532 DT Pro 40 soon to be GB.
Laserking 1300RGB FULL COLOR 30K(may be FS)
Laserking RGB LK PD2 500 and LK SD 850
REKE RGB 500- G 300
HeNes-(12)R(3)G-COH-594/5 mW-thnx DrSam
MULTILINE-147mW[
445nm 180mW-Mini spiro-Yob.
LPMs-RadiantAlpha& Pro5W-AixiZ SPER/KenmeterLite/LB1
Spacelas 1178mW 655nm/AixiZ 300mW532&
2 B&W 473nm 5/6mW lab
JETLRS1.3W&1.2W-MGL-H
638 180mW ttl mimi lab (av. 230mW)
405 100mW ttl mini lab
445 300 mW ttl mni lab ^AixiZ^ all for a lumia PJ
*MightyMite 2000* RGB all diode 2.2W 30K- 637/520./450...NEW!!
Guide DIY Pjs by Dan-
http://nqlasers.com/scannerreference/index.php?title=Main_Page
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