Ecvv Trade
Xiamen DND Industrial Co., Ltd.

China Manufacturer with main products: Optical Lenses, Waveplates, Optical Grisms, Optical Windows, Optical Mirrors, Beamsplitters, Laser Crystals, Optical Filters

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Bi-concave lenses


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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Specifications

Bi-concave lenses

1.Materials:Optical plastic glass,K9,JGS1,JGS3,MgF2,BaF2,Ge,Si,N-BK7,UV-Grade Fused Silica,CaF2,ZnSe etc..
2.EFL:±1%
3.Diameter Tolerance:+0/-0.05mm(precision),+0/-0.1mm(Standard)
4.Center Thickness Tolerance: +/-0.05mm(precision),+/-0.1mm(Standard)
5.Surface Quality: 40/20 20/10
6.Centration: ±1 arc minutes
7.Surface Figure:λ/8(precision),λ/4(Standard) at 632.8nm
8.Clear Aperture: >90% of diameter
9.Coating: Customized
10.Applications:Nd:YAG lasers,High-power laser applications,Camera,laser beam expanders,viewers,projection systems,etc..


Bi-concave lens has two concave surfaces.Compared with Plano-concave,It produces better effect in diverging light beam passing through the lens.Also called negative lens or diverging lens,which are widely applied for laser beam expanders,projectors.
 


Service Process

Service Guarantee

  • Free Service Charge

    ECVV doesn't charge any service fee to Buyers for buying this product.

  • ECVV Supply

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  • Product Quality Commitment

    ECVV China Sourcing Agent will assess the reputation and supply ability of the factory and conduct field trips to select the high-quality Chinese factories for buyers.

  • Deposit Service Commitments

    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

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