Meniscus Spherical Lens

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Product model table

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Dimension Tolerance  +0.0/-0.2mm
Thickness Tolerance  ±0.2mm
Design Wavelength   546.1nm
Surface Quality  60/40 scratch and dig
Clear Aperture  >90%
Flatness  N<3(0.5)@632.8nm
Centration  <3 arc minutes 
Focal Length Tolerance  ±2%
Chamfer  Protective <0.5mmx45°
Diameter 25.4mm