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Large Aperture Lens

                               Lens Parameters

Technical Requirements               Tolerance Range

Size range                                     3-500mm

Diameter tolerance                       0/-0.05mm

Thickness tolerance                      ±0.01mm

Center deviation                            0.005mm

Surface Quality                              40-20

Surface accuracy                            1/10λ

Edge                                               0.1-0.5mm

Meterial                                          Barium, silicon, zinc selenide, calcium fluoride 

                                                         and various types of chemical glass

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  • toCecilia Zhao
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