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Personne àcontacter Ms. jing
6th Fl,No.9 Building ,Tiezi Road,Xixiang Street,Shenzhen city,Guangdong,China, Shenzhen, Guangdong
Achromatic Lens Features: High Precision Dimension Control Optional Substrate Material Applications: Projection Systems Imaging Systems Laser Measurement Systems Specifications Achromatic Lens Parameter Unit Material See below Design Wavelength nm **0, **6.1, **3.8 Diameter Tolerance mm *0.*0/*0.*5 Thickness Tolerance mm +/*0.*0 Focus Length Tolerance +/*2% Centration arc minutes <3 Surface Quality ****0 Surface Figure λ/4at**3nm Clear Aperture Central *5% of diameter Bevel 0.*5mm x *5° Coating Single layer MgF2 AR coating or specified by customer Materials BK7, SF8, SF6 etc
