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国:
China
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China
連絡先担当者 Ms. Vicky
Qiche Zone, Changchun, Jilin
One
side of meniscus lens is convex, another side is concave. It can be
a convergent lens or a divergent lens, which is decided together by
refractive index, curvature and radius.
Specifications:
Materials:BK7,
Fused Silica,Ge,Si, CaF2...
Diameter:1.5—**0mm
Diameter
Tolerance:+/*0.*2 mm
Thickness
Tolerance:0+/*0.*2mm
Centring
Error<3 Arc minute
Surface
Quality:*0—*0
Clear
Aperture:*0%
Coating:
Specified by customers
More information please contact
