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Item:253715161120Store Home | Home, Furniture & DIY | Sporting Goods | Business, Office & Industrial | Health & Beauty | Garden & Patio | Pet Supplies | Clothes, Shoes & Accessories | Crafts | Toys & Games | Collectables | Musical Instruments | Vehicle Parts & Accessories | Art | Jewellery & Watches | Baby | Dolls & Bears | Computers/Tablets & Networking | Mobile Phones & Communication | Sound & Vision | Coins | Cameras & Photography | Pottery, Porcelain & Glass | Antiques | Books, Comics & Magazines | Stamps ZnSe Focus Focal Lens Dia 12 18 20mm for CO2 Laser Engraver Cutter FL 1.5/2/2.5' Description: - Various Diameter and Focal Length for selection (U mark means Upgrades), anti-reflective coated focal lens for 40-100W. - Focus lens is the fitting of CO2 machine, which is used to focus the beam after reflection, to realize engraving or cutting. - Meniscus type lens, better foucs and meticulous path of light. - Can withstand high power density, firm film, resistant to wipe. - Used for processing, fits for engraving machine, marking machine, cutting machine, etc. Specification: - Material #1: Znse (without U mark) - Material #2: USA CVD made Znse (with U mark) - Coating: 10.6um（AR Both Side） - Diameter tolerance: +0/-0.13mm - Centre Thickness Tolerance: ±0.25mm - Focal Length Tolerance: = 90% Diameter - Scratch/Dig: 40-20 - Surface Accuracy: λ/2per1"Dia After receiving the package, please check the package contents. Any question, please feel free to contact us as soon as possible! Package Includes: 1 Piece Focal Len (Packed in boxes with foamed cotton) Note: 1. Please avoid contacting the surface when take off lens, youd better to clean lens by gloves or soft tissue paper , avoid oil contamination to keep performance. 2. Lens should be placed lightly on soft tissue paper to avoid damaging the surface. 3. Please gently clean the surface by medical alcohol cotton swab or tissue dipped in alcohol. 4. Please use lens after alcohol is dried Shipping And Handling Policy The buyer is responsible for any applicable import duties and local taxes. Please verify with your customs before making your purchase. Please verify your address during checkout. We are not responsible for any wrong or undeliverable addresses. People always bought together withCondition:New, Brand:Unbranded, Bundle Listing:No, Country/Region of Manufacture:China, MPN:Does Not Apply, Unit Quantity:1, Unit Type:Unit
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ZnSe Focus Focal Lens Dia 12 18 20mm for CO2 Laser Engraver Cutter FL 1.5/2/2.5"