Dimensions in mm
Material:Optical glass type,fine annealed or UV grade fused silica
Clear apertuer:85% of diameter
Focal length tolerance:+/-3%
Diameter tolerance:+0,-0.2mm typical
L/H tolerance:+/-0.2mm
Center thickness tolerance:+/-0.2mm typical
Surfacae Quality:60-40scratch-dig
Coating: Optional
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