Square Gradual Netural Density Camera Filter

Specification:

Materials:BK7 optical glass and fused silica etc 
Diameter Tolerance: +/-0.20 
Thickness:0.5-3.0 mm
Parallelism<3 arc minute
Surface Quality:20-10/40/-20/60-40
Surface Figure:2λ per 25mm 
Clear Aperture> 85%   
Optical Density Tolerance:+/-5% 
Coating:Specified by customers
 

Other Items





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

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

Produciton 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:

 

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