Chinese Manufacturer K9 Bk7 or Customized Optical Pipe Optical Glass Tube

• Warranty: 3 Months
• Lenses Color: Clear
• Machinery Test Report: Not Available
• 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.
• Key Selling Points: Competitive Price
• Material: K9/Bk7 Optical Glass
• Thickness: 1-5mm
• Length: Customized
• Polished: Yes
• After-Sales Service Provided: Online Support
• Video Outgoing-Inspection: Not Available
• Marketing Type: New Product 2020
• Weight (Kg): 0.3 Kg
• Diameter: 30-300mm
• Usage: Optical
• Surface Quality: 60-40/40-20
• After Warranty Service: Online Support
• Trademark: Jingyan
• Origin: Sichuan, China

Product Description

Material	Optical glass(K9/BK7/Quartz)
Surface Figure	λ/2
Diameter Tolerance	+0.1, -0.1 mm
Thickness Tolerance	±0.2 mm
Clear Aperture	>85%
Surface Quality	60-40 scratch and dig
Protective Bevel	0.25 mm x 45°

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