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透镜Lens
Diameter: 3-300mm Tolerance: ±0.05mm
Power fringes (N):3 IRR(△N)<0.3
Surface quality: 40/20
Centration < 1.5 arc minute
Material: Optical glasses;Fused Silica and CaF2
Can be customized according to customer requirements
球透镜
超半球透镜
圆球透镜