On a scorching hot day, I visited a major Japanese binocular manufacturer, Otsuka Optical Company, along with the staff from Hinode Optics. Since I became interested in stargazing as a child, my binoculars have always been with me. However, I had never visited a binocular factory. A binocular ...

A Visit To A Binocular Factory, Otsuka Optical Companyの続きはこちらから >>