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الشخص الذي يمكن الاتصال به Mr. yang
Suite 101, 118# Dongfangbali, Jinbang Road, Siming District, XiaMen, FuJing
1. Material:Fused cilica, BK7 Grade A or equivalent optical glasses 2. Design Wavalength:**6.1nm 3. Diameter Tolerance:±0.1mm, ±0.*5mm for Dia.≥*5mm 4. Paraxial Focus Length:±2% 5. Centration:<3 arc minutes 6. Clear Aperture:>*5% 7.Surface *:&*;&*;/*@********************Quality :****0 scratch and dig *****:Antireflection coatings or NIR coatings *0.Bevel :A slight protective bevel, such as 0.*5mm×*5°
