Adhesives for industrial purposes, namely, contact adhesives and industrial adhesives to fix grinding and polishing pads; adhesives in the form of optical cements, namely, cementing sealing waxes, colophony cements, wax cements, cementing resins, ultraviolet cements and optical adhesives, namely, ultraviolet adhesives and contact adhesives for cementing and fixing of optical parts on loose and fixed multiple blocks during optical production; optical adhesives in the form of optical cements for cementing and fixing of optical parts on loose and fixed multiple blocks during optical production; chemical solvents for adhesives for industrial purposes and for protective lacquers for protection of particularly finished and polished surfaces during optical production

Machine tools as well as parts therefor, namely, machines for surfacing or edging of ophthalmic lenses made from mineral glass or organic glass, as well as parts therefor, namely, computer numeric controlled (CNC) and conventionally controlled machines for turning, milling, grinding, polishing or lapping of ophthalmic surfaces or the edge of ophthalmic lenses; machine-driven tools for all of the aforementioned machinery, namely, machines for surfacing, edging, turning, milling, grinding, polishing or lapping of ophthalmic lenses as well as parts and accessories therefor, namely, turning tools with blades from tungsten carbide, PCD, CVD or natural diamond, milling heads with PCD blades and blades from tungsten carbide, sintered and electroplated special shape milling cutters, diamond plano cutters, diamond radial milling cutters, circular grinding tools, diamond grinding wheels, diamond plano grinding wheels, diamond slicing wheels, diamond cup wheels, diamond centering wheels, diamond chamfering wheels and discs, diamond hollow drills, diamond grinding segments to cover flat grinding wheels, diamond pellets with metal or resin bond of the diamond particles to cover form tools, sintered and electroplated diamond grinding pads and foils, form tools for grinding, polishing and lapping processing of particularly optical parts by means of bound and loose abrasive, grinding pads, grinding tape and grinding foils with bound abrasive, polishing base, namely, polishing pads, polishing discs, polishing tapes, polishing foils, polishing cloth for optical lenses and polishing felt for optical lenses and polishing pitch for optical lenses based on wooden tar resin, fatty acids, phenols and resin acids; workpiece chucks, namely, collect chucks and workpiece tool holders with membranes for all the aforementioned machinery, namely, the machine for surfacing, edging turning, milling, grinding, polishing or lapping of ophthalmic lenses; workpiece holders, as parts of machines, for clamping of optical lenses; machinery and devices and parts therefor for the blocking of semi-finished optical parts, namely, semi-finished ophthalmic blanks, for further processing therefor; machine parts, namely, blocking pieces from aluminum alloys or plastics for the blocking of semi-finished ophthalmic blanks, and blocking rings from stainless steel as well as attachment, plano and prism rings for the blocking of semi-finished optical parts, namely, semi-finished ophthalmic blanks, for further processing therefor; machinery for deblocking of optical parts, namely, ophthalmic lenses, as well as parts therefor; high pressure steam cleaning machines

Laser centering devices for checking, aligning and cementing of optical parts; devices for measuring the intensity of ultraviolet radiation; dosing devices and dispensers for liquids and paste-like media, namely, of optical cements and adhesives; devices and instruments for measuring liquid grinding, polishing, lapping, cooling, and lubricating materials, namely, for measuring temperature, pH value, electrical conductivity, density concentration or suspension behavior as well as parts therefor; devices and instruments for measuring, namely, aerometers, refractometers, thermometers and measuring devices for the pH value; devices and instruments for measuring and checking optical components, namely, aspheric measuring apparatus, topography measuring devices, interferometers, spherometer rings with guages, measuring bars for the measurement of planity, spherometers and torometers for convex and concave surface measurement, center-thickness measuring devices for finished and blocked lenses, lensometers and measuring magnifiers for use with precision optical lenses and ophthalmic lenses, as well as parts therefor; spectral-photometer; test glasses, namely, lenses for determining the fringe defect and for checking of workpiece surfaces of lenses, mirrors, prisms and other optical elements; optical lenses, primarily made of glass and plastics, also for ultraviolet and infrared applications, namely, vacuum-coated ophthalmic lenses and precision optical lenses; vacuum-coated optical elements or carriers of quartz glass or plastics, namely, optical filters, mirrors and reflectors, anti-reflection coated lenses, beam splitters, polarizers and phase retarders for beam steering; devices for the detection of drilled holes and for obtaining the form data of ophthalmic lenses for rimless spectacles as well as parts therefor; devices for detecting the geometrical shape of spectacle frames as well as parts therefor; computer software and computer hardware for the calculation of processing data for optical parts, namely, for ophthalmic lenses, for the administration and the transfer of production data to the processing machines as well as for the surveillance and control of the manufacturing processes; apparatuses and devices for temperature controlling as well as parts therefor; devices for measuring the pressure at bladder chucks of grinding and polishing machines; vacuum-pump leak detectors; substrate test and inspection devices, namely, flow boxes and coating test labs used to test the quality of finished coatings on optical parts; work benches and cabinets for clean rooms, namely, lens making laboratories as special furniture for laboratories

Services of engineers, physicists and mathematicians, namely, technical project planning, planning of production plants and lab planning for the optical industry, technical consultancy in connection with the process technology and development of process technology in the optical industry; programming, installation, maintenance and updating of computer software in the optical industry; technical research in the field of optical production