Diamond turned aspheric lenses
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Aspheric lenses are used to correct spherical aberration. Spherical aberration results in a distorted image. Aspheric lens surfaces are non-spherical. The aspheric surface of an aspheric lens allows a single component to effectively collimate or focus highly divergent rays, therefore potentially replacing a multi-lens system.
Diamond turned aspheric lenses are typically used in optical assemblies such as missile guidance systems, night vision goggles and other military based instruments. For example, using a single aspheric lens in night vision goggles in place of a multi-lens array is a desirable option to reduce spherical distortion, weight and cost.
Knight Optical offers diamond turned aspherics from a range of infrared materials including Germanium (Ge), Calcium Fluoride (CaF₂), Zinc Sulphide (ZnS), Zinc Selenide (ZnSe), Aluminium (Al) and chalcogenide glasses like AMTIR (Ge33As12Se55 ).
Every component is individually tested by our highly skilled technicians in our state of the art metrology lab to ensure all components meet our high quality standards. Please contact our multilingual technical sales team and discover how Knight Optical’s high quality aspheric lenses and service can improve your instrumentation and supply chain experience.
Note: Spherical aberration is where the converging light from a lens does not have a common focal point, resulting in a distorted image.
These diamond turned aspheric lenses are not available as a stock item, please go to custom asperhic lenses