Fire polished aspheric lenses and Moulded Aspheric Lenses:

Aspheric lenses have at least one surface that is not a true sphere. Aspheric lenses also reduce aberrations and provide better performance because of their aspheric shape. Aspheric lenses because of their shape achieve near-diffraction-limited performance even when large apertures are used.

Aspheric lenses are ideal for low f-numbers (short focal lengths) Aspheric lenses can therefore be ideal for replacing complex and bulky multi-element lens designs as in camera objectives.

Usages of Aspheric lenses:

Aspheric lenses are mainly used in illumination and condenser applications such as:

Other options:

  • Stock lenses can be edged to smaller sizes at short notice.
  • Grinding of stock lenses to other sizes such as squares.
  • Mounting options.

Please feel to browse our Internal Stock Lists for Aspheric Lenses

Buy Stock Fire Polished and Moulded Aspheric Lenses

Custom fire-polished Aspheric lenses and custom moulded Aspheric Lenses plus bespoke focal lengths

Your specific requirements for aspheric fire-polished lenses can be supplied at short notice. We can offer moulded aspheric lenses or ground and polished with specialist equipment that reduces tooling costs. We also have an extensive Aspheric Lens tooling list available. If new tooling is required minimal tooling costs will apply that can make your bespoke aspheric lens designs very economical to supply.

Whether you have a prototype application or a production run requirement to your unique specification, we are able to accommodate these needs.

Please email your drawings or requirement to: colin@knightoptical.co.uk

Typical materials used for Custom Moulded and Fire-polished Aspheric Lenses are:

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Custom sizes and specifications:

  • Sizes: from 5mm up to 100mm dia
  • Diameter: ± 0.2mm
  • Surface Quality: <80:50

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