Optical Surfaces Ltd.
Optical Surfaces Ltd has been producing optical components, mounted optical components and systems for more than 50 years and is now accepted as one of the world’s leading manufacturers of high-precision optics and optical systems. The company’s ISO 9001-2008 approved manufacturing workshops and test facilities are deep underground in a series of tunnels excavated in solid chalk where temperature remains constant and vibration is practically non-existent. With such stable conditions testing, particularly with long path lengths, becomes quantifiable and reliable. Working with these natural advantages is a highly skilled team of craftsmen with a commitment to excellence in ...
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Telescope optics for military and aerospace surveillance.
Tuesday, March 10, 2026
Optical Surfaces Ltd is an established supplier of Ritchey-Chrétien (RC) telescope optics for high precision surveillance applications. Typically incorporating primary and secondary hyperbolic mirrors – RC designs offer compactness, a good field of view and are free of optical errors and spherical aberrations inherent with traditional reflecting te
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Ultra smooth hyperbolic mirrors
Wednesday, January 21, 2026
Drawing upon its uniquely stable production facility - Optical Surfaces Ltd. has established itself as a leading supplier of larger diameter hyperbolic mirrors and the extremely tight tolerances and accuracy that these optics demand. Hyperbolic mirrors are used in telescopes to correct aberrations in Ritchey-Chrétien designs, such as the Hubble te
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High specification optical flats for custom Fizeau interferometer
Wednesday, December 17, 2025
Optical Surfaces Ltd has received an order from Armstrong Optical, a leading UK supplier of optical metrology instruments, to supply high specification transmission and reference flats for a custom Fizeau interferometer. Being built for a leading defence contractor the interferometer will be used to evaluate the quality and certify the performance
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