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Easy-to-Use, High Stability Optical Mounts

Optical Surfaces Ltd. offer a range of optical mounts designed to mechanically support parabolic, spherical, and flat mirrors from 100 to 600 mm (4 to 24 inches) in diameter.

Image Credit: Optical Surfaces Ltd.

Employing high precision optics in applications where optical stability is critical is pointless unless they are positioned with absolute precision and stress-free. To fulfil this need, Optical Surfaces designed the OS Series of optical mounts to overcome the ease of use and poor performance shortfalls of many general-purpose mounts.

For smaller diameter mirrors (100 – 254 mm) you have a choice of four models of OS Mounts provide a secure and stable platform for your optical experiment. Two-axis angular alignment can be quickly achieved by means of dual action adjusters with fine screw and ultra-fine differential micrometre action. Using these mounts, you can rapidly align a mirror within a few arc seconds. Each mount comes with a baseplate to facilitate rapid and simple mounting onto an optical table or other experimental platform.

For secure and stable positioning of larger diameter mirrors (305 – 550 mm) – Optical Surfaces offers four standard OS Series mounts. Angular alignment of larger diameter mounted mirrors is achieved about the vertical and horizontal axes over a wide range of angles. Using these mounts, it is possible to rapidly align a large diameter mirror within a few arc seconds. Each OS 300-600 mount comes with adjustable feet to facilitate rapid and simple mounting onto an optical table. A range of additional motorised options are available for OS 300-600 series mounts, for instance to facilitate remote operation in hostile environments or for use in limited space applications where manual adjustment may be difficult.

All OS Series Mounts are constructed in black anodised aluminium and are proven in labs worldwide to give long, trouble-free operation.

Optical Surfaces is also experienced in designing and supplying custom optical mounts for securely holding and allowing precise positioning of larger diameter, irregularly shaped or lightweighted mirrors.

For further information on easy-to-use, ultra-stable optical mounts please visit


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