400 -700nm High Transmitance Bk7 Optical Glass Window

• Customization: Available
• Usage: Medical, Optical
• Type: Concave Lens
• Model NO.: yt470
• Transmittance: 90%-95%
• Shape: Single-lens
• Material: Optical Glass
• Lenses Color: Clear
• Certification: RoHS
• Customized: Customized
• Coating: HC
• Color: Transparent
• Polished: Yes
• Diameter Tolerance: +0.0/-0.15 mm
• Thickness Tolerance: +/-0.1mm
• Surface Quality: 60/40,40/20 or Better
• Centring Error: <3 Arc Minute
• Bevel: 0.25mm×45 °
• Clear Aperture: 90%
• Transport Package: Safety Green Carton
• Specification: 60
• Origin: Changchun
• HS Code: 9001909090
• Production Capacity: 40000/Year
• Package Size: 20.00cm * 20.00cm * 20.00cm
• Package Gross Weight: 1.000kg
• Lead Time: 30 days (1 - 100 Pieces) ; To be negotiated ( > 100 Pieces)

Product Description

(BK7) has excellent mechanical properties and a very low bubbles and impurities .It has excellent scratch resistance . because of its chemical stability . No special treatment for grinding or polishing . Application in optical electronics microware techonoiogy many fields of diffractive optical element etc.

Product Name	400 -700nm high transmitance BK7 Optical glass Window
Material	BK7 ( K9) or other optical  material
Diameter	3-250mm
Diameter Tolerance	+/-0.1mm
Centration	3 arc minutes
Clear Aperture	> 85%
Flatness	λ/4
Surface Quality	60/40 Scratch/Dig
Bevel	0.25 mm*45°
Coating	as customer's requirements

It is also available to supply the coating wavelength curve, such as AR coating,BBR coating,filter coating and so on.


Changchun Yutai Optics Co.,Ltd. is a manufacturer with ISO9001 certification. We are specialized in high-performance optical components
include lens, mirrors, filters, windows and prisms which are specified by customers. Yutai's items are widely used in imaging, defense, medical,
laser and industry market. As a fast-growing supplier in Optics, Yutai Optics has quickly established itself as a leader in optical components with advanced technology and quality control ability as Yutai aims to provide professional service and good quality items to meet customers' request.
Yutai already established long-term relation with many powerful companies all over the world.

• Q: What are your main products?
• A: Optical lens,mirrors,windows,filters,prisms
•  
• Q: How long is your delivery time?
• A: In general delivery time is about one month for custom produced optics.except stock ones or some special optics.
•  
• Q: Do you provide samples ? is it free or extra ?
• A: We can provide free samples if we have stock optics as your request,while custom produced samples are not free.
•  
• Q:What is your MOQ ?
• MOQ is 10pcs for most of the optics, while MOQ could be only one piece if you need a element in big dimention.
•  
• Q: What is your terms of payment ?
• T/T,L/C,VISA,Paypal,Alipay or Negotiation.