S&F High Transmittance 8-12um Ar/Ar D20/25/40/50.8mm Optical Ge Window Infrared Germanium Window Lens for Infrared Application

• Usage: Optical
• Material: Ge
• Diameter: 20mm/40mm50mm/25mm-Ar-Ar/25mm-Ar-Dlc
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Thickness: 2mm/3mm
• Trademark: Jingyan
• Origin: Sichuan, China
• Package Size: 13.00cm * 10.00cm * 11.00cm
• Package Gross Weight: 0.500kg

Product Description

Germanium window
Techinical parameter		Tolerance
Diameter		20mm, 25mm, 40mm, 42mm, 50mm, 50.8mm
Dimensional tolerance		+0/-0.05mm
Thickness		2mm, 3mm
Surface quality		40/20
Surface accuracy		λ/4 per @633nm
Bevelling		0.1-0.5mm
Material		Germanium
Coating		8-12um

 

Diameter (mm)	Thickness (mm)	Coating	Wavelength
20	2	AR/AR	8-12um
25	2	AR/AR	8-12um
25	3	AR/AR	8-12um
40	2	AR/AR	8-12um
50	3	AR/AR	8-12um
50.8	3	AR/AR	8-12um
Diameter (mm)	Thickness (mm)	Coating	Wavelength
20	2	AR/DLC	8-12um
25	2	AR/DLC	8-12um
40	2	AR/DLC	8-12um
42	3	AR/DLC	8-12um
42	3	AR/DLC	8-12um
50.8	3	AR/DLC	8-12um

    

1. Customs Duties:
All the products shipping from China might cause tariffs.All the products S&F sells default FOB trading terms the buyer will take responsibility on all kinds of tax in
their country. If you have special requests about declarationplease leave messages to us when you place an order.

2. Delivery 
 ·All packages to Brazil need CPFnumber byDHL/UPS/Fedex/EMS
 ·All packages to Argentina need CUIT number byDHL/UPS/Fedex/EMS All packages by Chile need RUT number byDHL/UPS/Fedex/EMS
 ·All packages to Russia need the Full Name(First name+Mid name+Last name

2. Warranty 
If any quality problem found after your receiving the package within 7 days,pls provide proof of video or photos to uswe could offer refund or replacement once we confirm the problem.
For return and exchange,buyer holds responsibility of paying the freight of sending the product back,We will bear the freight of resending it