Grinding MgF2 Optical Triplet Spherical Lens

♦ Substrate Material: optical glass,quartz,pyrex,sapphire,znse,caf2,ge,si,etc.
♦ Diameters Available: 2mm to 600mm
♦ Diameter Tolerance: +0.00/-0.05mm or customer design
♦ Surface Quality: 80-50,60-40,40-20,20-10,10-5
♦ Surface Flatness: 1/4lambda or customer design
♦ Surface Irregularity (Peak to Valley): λ/2 or customer design
♦ Thickness tolerance: +0.00/-0.05mm
♦ Focal length tolerance: +/-1%
♦ Clear Aperture: >90% of Diameter
♦ Chamfer: 0.05-0.5mmx45degree
♦ Centration: 3 arcmin
♦ Coating: AR,Mgf2 are on request

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