Europe, UK, Asia & RoW: [email protected] +44 (0)1622 859444 | USA & Canada: [email protected] +1 401-583-7846


Looking For a Custom Optical Solution? Enquire


Our custom range of graticules consists of eyepiece graticules, stage graticules and graticule sub-assemblies.

Knight Optical’s reticules are used for measuring linear dimensions, the radii and diameters of circles and angles.

Custom eyepiece and stage reticules can be manufactured to almost any custom pattern from cross-lines, scales, grids to protractors and concentric circles.

Our custom range of graticule assemblies are mounted into anodized aluminium bodies. We offer a range of patterns to meet your custom application apart from traditional microscopy
and telescope applications . Our graticule assemblies are utilised in weapon sight and military scopes as well as range finding applications in the defence sector .Our ranges of reticule assemblies are used in metrology, surveying, aerospace also used in a range of scientific instrumentation and medical applications

Apart from custom graticules we also offer a range of custom microstructures, custom calibration charts and custom bar gratings and resolution charts.

Typical processes we offer are vacuum metal deposition, etching and electroforming and photographic techniques. Antireflective coatings can be applied to reticule components for increased performance. Our range of process can be applied to plastic, glass, IR crystal, UV materials such as calcium fluoride and UV grade fused silica , ceramics and metal foils. Our custom reticule solutions can be supplied as one-off though to large production runs with competitive master generation tooling costs, enabling custom designs to become production reality without hurting your budget.

Knight Optical supply high quality custom graticules made to your exact custom specification. Every component is individually tested by our highly skilled technicians in our state of art metrology lab using our Starrett AV300 non contact dimensional imaging devise to ensure all components meet our high quality standards.

We also have a huge range of non-standard stock graticules for most custom applications, contact our multilingual technical sales team and discover how Knight Optical’s high quality custom reticules can improve your product and supply chain experience.

Contact our multilingual technical sales team and discover how Knight Optical’s high quality custom graticules can improve your product and supply chain experience.

Our 2022/2023 Catalogue

Inside Knight Optical’s catalogue you’ll find details of the industries we serve as well as the many other services we can offer. It also showcases hundreds of our most popular products, supported by useful technical information, to help you choose the right part for your application.
Click below to view our digital catalogue now.

view our catalogue