N-Bk7 K9 Jgs1 Optical Glass Blank Block Large Semi-Finished Glass Lenses

• Customization: Available
• Usage: Medical, Optical
• Type: Flat Lens
• Model NO.: yt413
• Shape: Single-lens
• Material: Optical Glass
• Lenses Color: Clear
• Certification: RoHS
• Customized: Customized
• Coating: HC
• Dimension: 2-300mm
• Diameter Tolerance: +0.0/-0.15 mm
• Thickness Tolerance: +/-0.1mm
• Surface Quality: 60/40 or as Request
• Bevel: 0.25mm×45 °
• Clear Aperture: 90%
• Surface Figure: λ/4
• Polished: Yes
• Application: Sight Window
• Transport Package: Safety Green Carton
• Origin: Changchun
• HS Code: 9001909090
• Production Capacity: 40000/Year
• Package Size: 20.00cm * 20.00cm * 20.00cm
• Package Gross Weight: 1.000kg

Product Description

N-BK7 K9 JGS1 optical glass blank block large semi-finished glass lenses

1, optical glass bk7 could make  sizes  as customers' requests.

2, further processed bk7 could make surface finish 60/40 &40/20 or as request.

3, we are optical filter glass bk7 manufacturer who could offer you at factory price.

4, clear bk7 own excellent transmittance as 90% and are widely used as sight window.

Optical window materials comparison:

Material	Optical glass
Dimension	2-300mm
Dimension Tolerance	+0.1, -0.1 mm
Thickness Tolerance	+0.1, -0.1 mm
Angle Tolerance	±30 Arc Seconds
Surface Flatness	1/4 L  @632.8nm
Surface Quality	60-40 scratch and dig
Protective Bevel	0.25 mm x 45°
Coating	as customer's requirements

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Factory information

Yutai Optics, we specialize in the design and volume manufacturing of high performance optical components such as lens,prisms, windows,filters,mirrors and more for use in optical instruments and laser systems, as well as for  telecommunications,medical, environment monitoring industry,material is widely ranged from optical glass to IR and UV glass.
    As a Fast-growing supplier in Optics, Yutai Optics offers excellent service and good quality items,our products have been appreciated by many European and American customers,of course we build a long-term cooperation.YuTai Optics has quickly established itself as a leader in optical components from its advanced technology and quality control.

Our Advantage

Sales Team
Yutai Optics has a professinal sales team with excellent service, we tracking from inquiry to delivery of items.We try our best to meet each customers'request.             

Production Team
Yutai Optics has many experienced engineers and advanced machines, they are the important guarantee for the higher quality products.Our advanced production machines list:
Ring polishing machine, Single axis machine,  Two axis machine, Four axis machine,Centering edging machine,Mechanical milling machine,Spectrograph,  Grinding machine,nanotech.250upl,talysurfi120.
                                                                                     
Inspection Team
Advanced testing equipment and methods are important guarantee for the production of high-precision products.Our testing machine is ZYGO, Stereo interferometer,Horizontal interferometer.We provide testing report for each batch for your items.



Process for most optics
Material-cutting-rounding-milling-grinding-polishing-edging-cleaning-coating-gluing-edging-blacking-accembly-packing-shipping

Packaging & Shipping
 1 Package Detail: A. Standard carbon and envelop with plastic foam.
                               B. Safety green carton.
                               C. Customized.



 
2 Delivery Detail: Within 30 days.(Also depand on the quantity) Payment: