Untitled Document SUBJECT OF AUCTION This Auction is for One 0.5" 12mm diameter AR (Anti-reflective Coated) ZnSe Lens for 40-50W lasers. It has 2" FD This lens is 100% suitable for Made in China CO2 hobby laser cutters/engravers as well. Please verify the size. While this auction is for 12.7mm laser lens I have 20mm as well! Lens Specifications Focal Length Tolerance±1%Diameter Tolerance+0.0/ -0.1mmCentre Thickness Tolerance±0.2mmClear Aperture>= 90% DiameterEdge Thickness Tolerance±0.15mmScratch/Dig20/10Surface Accuracy入/2 @632.8nmCentration< 3’Bevelling< 0.2 x 45°Coating AR Both Sides If you need any other sizes or quantities please let us know we can make one for you.
Buyer to exercise due diligence to assure fit and size. Please check the size of your existing lens to be sure this will fit your laser engraver/cutter WE ALSO SELL MIRRORS FOR CO2 LASERS. Check out my other items! ITEM CONDITION NEW PACKAGE CONTENT Here is what you will get:1 ZnSe lens. 100% quality guarantee!
SHIPPING & SELLER/BUYER PROTECTIONShippingYour item will be shipped next business day unless otherwise noted All purchases over $249 will go with Signature Confirmation per classifieds board guidelinesAll purchases over $99 will be shipped via USPS Priority Mail so you will get them soonSeller/Buyer Protection To protect both sides EVERY item we sale is being carefully photographed along with the shipping label created and all pictures are being stored for further reference.RETURNSReturnsAs we make/convert every item for particular customer needs and operate on very slim margin, converted cameras we sell are being considered custom made and are non returnable and non refundable.Buyer to do due diligence to be sure what they buy is what they need. If you have compatibility questions please ask them BEFORE you buy.We give 48hours unconditional DOA wguarantee This means that should Item you bought arrive damaged we will replace or fix it at no charge to you. In rare case if we do not have replacement we might issue you refund at our discretion.No other forms of returns are accepted END OF THIS LISTING_______________________ BESIDES THIS LENSES ALSO WE OFFER CONVERSION SERVICES FOR YOUR CAMERAS Different types of conversion we generally offerFull Spectrum conversion. Full spectrum of light from about 280nm to 1100nm will reach your cmaera sensor. This numerical range depends of the type of the camera sensor.Infrared conversion (650nm, 750nm or 800nm)Astronomy conversion with extension to 700nmUV conversion with Hoya U-340 and U-360 glass Here you can see transmission curve of the Full Spectrum conversion filter we use.
As you can see it has practically 99%+ transmission in visible part of the spectrum! Below you can see transmission curves of original Canon EOS T3, T3i, T4 camera IR Cut filters. There are two filters in these camera assemblies. We called front one the one which faces to the lens and rear filter is the one faces to the sensor. To make Astronomic conversion of your Canon camera we can remove Rear filter only so:Your camera (T3i and T4i) will retain Ultrasonic cleaning system.
Please note T3 does not have it! You still will be able to take normal color pictures with custom white balance though. For Infrared conversion we will remove IR Cut filter and replace it with Infrared filter. On this chart you can see that original Sony UV/IR Cut window was replaced with Neimart Dual side multilayer anti-reflective coated borosilicate clear pass window has been installed instead of replaced IV/IR Cut windowOTHER ITEMS WE SELL We Ofer: Infrared converted camerasFull Spectrum converted camerasUV converted camerasIR filtersIR and Full Spectrum conversion serviceSapphire crystalsNaI scintillation crystalsCsI Scintillator crystalsConsulting services on optics and crystal growthDISCLAIMER The fact of purchase constitute complete agreement and acknowledgement of rules outlined below. Should you disagree with any of this points you MUST refrain from purchase.
We 100% guarantee only what we say on the listing descriptionIf something was not described or clearly promised then most likely it will mot be provided/deliveredThere are no guarantee imply on fit or usability of the item we sell to you particular needOur liability is strictly limited to the price of the item buyer paid to buy the item from usOur consulting services provided on AS IS WHERE IS basys and represents our best knowledge and best abilityOur conversion and/or custom modification services provided on AS IS WHERE IS basis and represents our best knowledge and best abilityIn case you send us your camera for conversion you must disclose in advance any electrical, mechanical or software malfunctions your camera has. If your camera does have malfunctions you failed to disclose we will charge you $40 inspection fee and will return your camera to you without further modifications. It is OK to have issues with the camera as long as those issues disclosed in advance.
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