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Ir Aspherical Lens                    
Ir Aspherical Lens Manufacturer                    
Product Details
The infrared aspherical lens                     is specially designed to be used for thermal imaging lens in MIR and IR wavelength. The application include hot melt printing, diagnosis, security and monitoring etc.
Opticreate provides all kinds of coated aspherical lenses                    , with single point diamond lathe it can process aspherical lens with infrared crystal materials such as Ge, ZnS and ZnSe ect., the diameter could meet 300mm, with traditional method, it can process large-diameter paraboloid and hyperboloid lens with BK7 material, the diameter could meet 400mm.     
                                           Material
                                          Ge, Si,ZnS,ZnSe,BK7 ect.
                     
                                      Diameter tolerance
                                          +0.0/-0.05mm
                     
                                      Diameter
                                          D5mm-D300mm 
                     
                                      Focal length tolerance
                                          ±2%
                     
                                      Centration
                                          ≤0.01mm
                     
                                      Clear Aperture
                                          ≥90%
                     
                                      RT value
                                          0.6μm
                     
                                      Surface Quality
                                          40-20
                     
                                      Bevel
                                          0.25 mm × 45°
                     
                                      Coating
                                          AR Coating, DLC Coating(can be customized)
                     
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