Aerodrome equipment Lasers Microscopes Microvisors Observation devices Professional cinema lenses OEM components (lenses, eyepieces, ...) Optical components Spectral instruments Endoscopy Instruments for laboratory diagnostics Production of prototypes of products Internal documents History Management Board of JSC Financial statements Annual reports Material events Quarterly reports of the issuer Affiliates Shares Bonds Electricity transmission Heat transmission Water supply and wastewater disposal Provision of copies of documents