Custom Penta Prisms

Noni offers custom penta prisms according to your specific requirement. A pentagonal (penta)  prism is an optical element characterized by two internal reflections of light rays incident on the first face of a pentagonal prism, with the outgoing rays being turned at a certain angle. These prisms are commonly used in optical devices such as camera viewfinders, image viewing systems, and measuring instruments. A pentagonal prism has an angle of 90 degrees between the direction of the incident light and the direction of the outgoing light. Regardless of the angle of incidence on the first side, the outgoing light turns the incident light to a certain angle. In addition, the image made by the pentagonal prism is neither rotated nor specularly reflected. Uses for this type of prism also include use in optical measuring devices such as rangefinders, telescopes, and holographic cameras.

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Multiple Customization Options

Custom Material & Substrate

We provide one of the best substates for your optics, including infrared materials, visible optical glass, chalcofenide glass, plastic, metel, and more on demand.

Custom Shape & Structure

From general to special surface profiles, we are able to achieve high quality. Our products include flat, spherical, aspherical, and curved optics, among others.

Custom Coating

Our coatings are precise and in-house, including anti-reflection, multi-band, conductive, edge filter, variable, metallic, dielectric coatings, and more finishes.

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Relevant Applications & Markets


Custom optics for laser cutting, drilling, engraving, and more.
Optical parts with low absorption in the infrared spectral region.
Optics with reliable absorption or transmission properties.
Custom objective lens and ocular lens for night vision.
Custom spheres, aspheres, curved optics for detectors.
Precise optics for gun laying, hand-held devices and more.
MWIR and LWIR optics with light weight to support the system.
Custom optics with high transmission and blocking level.
Highly functional IR optics for imaging in different industries.

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