Old 02-06-2016, 03:52 AM #1
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Default $10 520nm?

Is this really a 520? I have a suspicion it is just a 532 labeled as a 520. The price seems to good to be true. http://www.dx.com/p/kf-681-5mw-520nm...0#.VrWkjTYrK34



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Old 02-06-2016, 04:28 AM #2
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Default Re: $10 520nm?

you didn't provide a link or anything, i don't know what your talking about XD
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Old 02-06-2016, 05:55 AM #3
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Default Re: $10 520nm?

No way it can be 520nm. The diodes themselves(regular 50mW) ones are I believe $50 a piece already, so unless you are buying in bulk(even then) not happening

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Old 02-06-2016, 07:15 AM #4
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Default Re: $10 520nm?

Almost as good as AliExpress ones that have 30,000W.
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Old 02-06-2016, 08:20 AM #5
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Smile Re: $10 520nm?

Quote:
Originally Posted by Ultron View Post
Almost as good as AliExpress ones that have 30,000W.
No one can beet aliexpress
hey i have the same laser its not 520nm its 532nm and its around 21mw i only got it for display
hehehe i had 2 i gave one free its a Ir+dpss = 532nm
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Old 02-06-2016, 09:58 AM #6
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Default Re: $10 520nm?

Even on its description it says to make sure to keep it warm before using on a cold day. Wonder if it was "good" advertising or an honest mistake
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Old 02-06-2016, 10:06 AM #7
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Default Re: $10 520nm?

It tells on it's self where it says optical pump.
It's no doubt a 532.
But keep your ear to the ground, you never know when China will start flooding the market with inexpensive 515's or 520's, dare we dream maybe a surprise 495 or 500, that would be very pretty.
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Old 02-06-2016, 09:57 PM #8
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Default Re: $10 520nm?

some distributor sell 495nm and 500nm at least only 3 diodes in stock .....
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