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                Negotiable
 
                ¥0.05
 
                Negotiable
 
                Negotiable
 
                Negotiable

· 材料:精退火 K9 或紫外熔石英
· 焦距误差:±2%
· 设计波长:587.6nm
· 中心厚度误差:±0.2mm
· 透镜定心误差:<3 分
· 直径误差:+0.0/-0.1mm
· 面型:<λ/4@632.8nm
· 表面光洁度:3 ~ 4 级
· 倒边:0.2mm×45°
If you have any questions before purchasing, please contact us.