CVD ZnSe Focus Lens Dia. 20mm FL1.5 - 5" for CO2 Laser Engraving and Cutting Machine

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

Item Code: CS-FL-BL20

(4 Reviews)

Unit Price:$15.02 - 16.69/pc(Discount Notice)

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Qty (pcs) Discount Amount/pc: 1 0% $16.69; 2 - 4 7% $15.52; 5 - 20 10% $15.02

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1.5" (38.1mm)

2" (50.8mm)
2.5" (63.5mm)
3" (76.2mm)
4" (101.6mm)

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pc(s) Total Cost: USD $16.69

Shipping Weight: 0.4lb (0.2kg) freight Freight

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Overview Specs Packing List Warranty PDF Reviews

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.

Type	Focus Lenses

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

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Average Rating: 5 (4)

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

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.

seller assumes all responsibility for this listing

Shipping and handling

Quantity: Country:

Shipping and handling	To	Service	Delivery*
US $75.00	United States	Express Delivery: TNT/DHL/FEDEX/UPS	Estimated between 3-6 Days

1. If you choose to ship by Express, you can see the shipping fee is a little High, but it can deliver to your door within 3-5 days, you need only to make the payment and wait.
2.If you choose to ship by sea, the shipping fee is lower, and you need to go to the ports to make the clearance at the Customs, and take the good from the port to your home by yourself.Generally it takes from10 to 30 days, depending on the consignee address.

Handling time
Will usually ship within 3 business days of receiving cleared payment.

Ship from where?

We have 4 overseas warehouses all over the world now including: Russia, USA, Brazil and Mexico. and We are setting up another one in Europe. Normally, we will ship your order from the nearest warehouse to you. if the stock near you is sold out, we will ship your order to you directly from china.