CVD ZnSe Laser Focus Lens Dia. 20mm FL 38.1mm / 50.8mm / 63.5mm / 76.2mm / 101.6mm

More Stable Focus Spot and Better Effect in Cutting and Engraving!

Item Code: CS-FL-BL20

Unit Price: $48.00/pc

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CVD ZnSe Laser Focus Lens Dia. 20mm FL 38.1mm / 50.8mm / 63.5mm / 76.2mm / 101.6mm
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Features:
Diameter: 0.79" (20mm) 
Focal Length: 1.5" (38.1mm) / 2" (50.8mm) / 2.5" (63.5mm) / 3" (76.2mm) / 4" (101.6mm) 
Material: CVD ZnSe
This would be a great lens for a CO2 engraver or laser cutter, to focus the beam into a tight spot. 
We adopt the material CVD Zinc Selenide to produce which is same to the top player of the industry, American II-VI.
 

Advantages
• Adopted CVD Zinc Selenide imported from USA which can go with high power density;Deliang system, and increased the light transmittance of the parts;
• The transmittance of working waveband in co2 laser industry reaches 99.8%;
• The lens consist in many advantages such as precise focus, thin-film coating anti wiping, higher luminous flux, etc. For which materially improves your work efficiency.

Benefits
• Stable focus spot, better effect in cutting and engraving, bearable for high power density, and strong thin - film coating against peeling off and durable for wiping;
• Double-side coated anti-reflection coating, the light transmission of the parts increased by cylindrical surface polishing, reduction or elimination on stray light of the optical system;
• The stability of focus position strengthened, the cutting & engraving speed of some applications improved, and the ability for reflected light enhanced;
• More bearable for wiping, longer life span as well as better process to radioactive coating.

Used for
Widely used in the following brands CO2 laser engraving & cutting machines:Redsail, Kaitian, Yueming, Goldenlaser, Senfeng, Shenhui, York Laser, Hanma Laser, Ruijie, and Bodor etc.


We adopt the material CVD Zinc Selenide to produce which is same to the top player of the industry, American II-VI.
Similarity nearly 99%;While its price is 50% less than that of American II-VI..The excellent lens material directly results the stability of laser system. The lens we produce is not a fake, it consists in many advantages such as precise focus, thin-film coating anti wiping, higher luminous flux, etc. for which materially improves your work efficiency.







 







Appearance: The good quality lens gives light color, more transparent for which significantly reduces light consumption so that the lens performs higher light transmittance and reflectivity.

Material:
The good coating film is pasted very even and smooth, and the coating film and lens are finely integrated which increases light transmittance and wearability. The poor quality coating film gives bad light transmittance and is more vulnerable from wiping which can cause the film off to be discarded.

Tips: The imported zinc selenides are available from Russia, German, France, USA, etc. among which the one from USA appears best in quality and, generally, the brand II-VI represents on market. All the material we use is CVD zinc selenides imported from USA and it will materially increase working efficiency.The harm of poor quality lens: rough focus which makes the user unable to cut product efficiently during working such as failures of cutting through or off, slow cutting, etc. which influence work efficiency as well as short life span, easy crack and film peeled off.






 

 

We free ship only to the 48 contiguous states.
For Hawaii, Alaska, Guahan or Puerto Ricoa Customers, an extra freight is required.

 

Free shipping on orders over $79.
$6 shipping charge on orders under $79.

Part No. Material Diameter EFL E.T. Coating
CS-FL-BL203812 CVD ZnSe 0.79" (20mm) 1.5" (38.1mm) 2.5mm AR @ 10.6um
CS-FL-BL205082 CVD ZnSe 0.79" (20mm) 2" (50.8mm) 2.5mm AR @ 10.6um
CS-FL-BL206352 CVD ZnSe 0.79" (20mm) 2.5" (63.5mm) 2.5mm AR @ 10.6um
CS-FL-BL207622 CVD ZnSe 0.79" (20mm) 3" (76.2mm) 2.5mm AR @ 10.6um
CS-FL-BL201012 CVD ZnSe 0.79" (20mm) 4" (101.6mm) 2.5mm AR @ 10.6um

Terms & Condition of Purchase: After we receive PO from customer with stamp, we give PI for customer.
Lead Time: After receiving customer's deposit, within 1 - 3 days.
Wooden Box: There is total one glass box.

Product dimension

Diameter

0.8" (20mm)
Machine Weight 0.02kg / pc
Package Glass box
Packing Size 55mm x 55mm x 10mm (2.2" x 2.2" x 0.4")
Gross Weight 0.05kg

 
Package



 

Choosing the right focusing lens



CS-FL-BL Series CVD ZnSe Laser Focus Lens




Optics Handling & Cleaning



Comprehensive guarantee for one year except the wearing parts
24 - hour technical support by email or calling
User - friendly English manual for machine using and maintaining

Satisfaction Guarantee

For the items other than consumable products sold via www.Sign-in-China.com, we provide 12 months warranty after shipment. All the extra parts for equipment can be purchased from www.Sign-in-China.com. Further, for our VIP customers, the period of warranty shall be extended to 18 months.
We offer 14 days 100% satisfaction guarantee on all our machines. If you are not satisfied after receiving an item, Sign-in-China.com promises that, within 14 days after actual delivery of such an item, you are allowed to return the item to us and get complete refund, provided the returned item does not affect its subsequent re - selling and you also undertake the charge of returning delivery.

More information, please look at the document of Training & Warranty & Service Policies.

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