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asperical lens
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Product: Views:171asperical lens 
Unit price: Negotiable
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Delivery date: Since the payment date Days delivery
Valid until: Long-term effective
Last updated: 2017-12-21 19:06
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Material:BK7 Size:10mm-200mm Fringes:λ/2,λ/4 Center Thickness Tolerance:15mm~25mm Dispersion Round :0.03mm—0.2mm Centration:3 arc min　 Surface Quality:60—40scratch and dig,80—50scratch and dig Clear aperture:90％ Coating:avaliable upon request
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