Corrective lens assemble for high resolutions camera of Moon Exploration Projects(KARI, Korea) : Barrel Design, Lens Mfg, Coating, Assemble and Testing
500mm and 1600mm large telescope systems for satellite & unknown-obj. tracking (DAPA, Korea) :
500mm Telescope design & Mfg, Installation and testing
1600mm Primary, Secondary, tertiary mirror Mfg and Testing
Three off-axis mirror systems for LSB galaxy observation(KASI, Korea)
Super-eye Bridge Project(KASI, Korea); Opto-mechanic design and SiC mirror mfg.
Visible and MWIR camera module design for air-craft(ADD, Korea)
Off-axis aluminum mirror for laser communication terminal(SODERN, France)
Off-axis aspheric mirror for Indian Satellite Project(PARAS, India)