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Detail parameters | General level | High level | |||||
Size | 5---120mm | ||||||
Materials | N-BK7 ,N-F2 Or Required | ||||||
Centration | <3arcmin | ||||||
Clear aperture | >90% | >95% | |||||
Surface quality | 60-40 40-20 | 20-10 10-5 | |||||
Dimension Tolerance | +/-0.05 | +/-0.02 | |||||
Thickness Tolerance | +/-0.05 | +/-0.02 | |||||
Coating | up to requried | ||||||


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