Aspheric optical lens

An aspheric lens or asphere is a lens whose surface profiles are not portions of a sphere or cylinder. In photography, a lens assembly that includes an aspheric element is often called an aspherical lens.

Aspheric elements are used in the design of multi-element wide-angle and fast normal lenses to reduce aberrations.

While in principle aspheric surfaces can take a wide variety of forms, aspheric lenses are often designed with surfaces of the form

Aspheric Condenser Lenses Used primarily in high efficiency illumination systems, aspheric condensers offer superior aberration correction,Our aspheric lenses are ground and polished on the plano side and precision molded on the aspheric side

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