Old 01-31-2016, 07:51 PM #1
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Question Ebay 635 pen?

I found what appears to be a 635nm laser pen on eBay for $9. Is this just a regular 650nm labeled as 635nm? Here is the link:

635nm 5mW Orange Red Laser Pointer Pen | eBay


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Old 01-31-2016, 08:23 PM #2
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Default Re: Ebay 635 pen?

Quote:
Originally Posted by green lasers rock View Post
I found what appears to be a 635nm laser pen on eBay for $9. Is this just a regular 650nm labeled as 635nm? Here is the link:

635nm 5mW Orange Red Laser Pointer Pen | eBay
No it should really be a 635nm, others here regularly buy from that seller so they are considered reliable. A 635nm is brighter than a 650nm, I have one myself that is between 4.9-5mW and I like it better than my other two red pointers, there is a difference in color and it's brighter for the same power.

Alan
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Old 01-31-2016, 09:04 PM #3
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Default Re: Ebay 635 pen?

Indeed, it should be 635nm as mentioned by Alan above. Be aware that 635nm diodes cost slightly more then the mass-produced 650-660nm diodes which are known as typical reds.

That being said, eBay is a good place to get those things cheap

-Alex
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Old 02-01-2016, 11:04 PM #4
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Default Re: Ebay 635 pen?

is it really 635nm and not 650 ? im tempted get one.
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