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Specification MaterialsBK7 or others optical glass. quartz. sapphire . Ge. Si- ZnSe· CaF2 etc.Diameter1.5~300mmRadiusR 0.8mm-∞Focal length-30000mm~+ 30000mmCenter thickness tolerance+/-0.01mmDiameter tolerance+/-0.005mmFocal length tolerance+/-1%Surface accuracyN=1~3IrregularityΔN=0.1～0.5Decenter3"~1'Surface quality10/5~60/40CoatingUpon requestApplication areaImaging. Lighting Laser etc Recommend Products Company Profile Shanghai Advance Optical-Electronics Technology Co.,
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