http://pastport.jp/user/tcoptics ja-JP TC Optics are the manufacture of optical components. We are dedicated to manufacturing windows, spherical lenses, aspherical lenses, prisms, filters, mirrors. 2022-08-11T17:46:27+0900 http://pastport.jp/user/tcoptics/timeline/tcoptics tcoptics http://pastport.jp/user/tcoptics/timeline/tcoptics