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FrozenGate by Avery

ZnSe lens 20$!!! HURRY!






$60 upwards usually

But 1.5" is a huge ZnSe lens, so wouldn't be surprised if it was more.
 
It said it was relisted or a similar item was posted, so maybe the reserve wasn't met on the previous listing.
 
I watched the auction end. Someone one it. I managed to win a 2" one with a 10600 um coating on both sides for 20$. I watching both listings and there was 5 minutes left for the auction I posted here. I pondered if I should buy it.... but I thought I would share with you all.

Here is another/relisted auction from the same seller. Used ZnSe 7.5"F.L. Carbon Dioxide Laser Lens Infrared IR Optic CO2 1.5" Diameter | eBay

Here is the one I have purchased. It seems by this guys feedback that he has alot of these and alot of people have won them for 15$+5 shipping. Would be good for you people with co2 lasers :)

http://www.ebay.com/itm/Used-ZnSe-7...868?pt=LH_DefaultDomain_0&hash=item23145a0f6c
 
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Here is what I received today.

2011-09-22192525.jpg
 
Excuse my ignorance but..

Whats this lens for...or what does it do?
 
It's for focusing carbon dioxide lasers. At 10600nm, their wavelength is so long it gets absorbed by glass so lenses need to be made from zinc selenide to focus the beams down for burning/cutting applications.
 
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Yeah that makes sence. Thanks for the explanation mario M.
 
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