Armstrong Optical Ltd Suppliers of optical metrology and laser material processing solutions. Close-Ups Video inspection and measuring systems. Offers an illustrated catalogue of its range, downloadable product information and contact details. Humberside Optical Services Full service optical lab in North Lincolnshire. LG Optical Business focus is on production of optical system components, such as lenses and filters. Serves variety of specialized market requirements. Also makes and sells spectacles. Microscopy-UK Seller of microscopes, accessories, specimen slides, microphotography equipment and related biological supplies. Starrett Precision Optical Profile projectors and accessories. Includes product catalogue with specifications, news, offers, case studies and press releases. UQG (Optics) Ltd Optical engineering manufacturer supplying windows, filters and components, also has a full list of lenses, mirrors and prisms available from stock. Zytronic PLC Manufacture and design of RFI shielded and optical filters, touch screens and complex shaped glass composites for specialised applications.