Masunaga Optical was founded by Gozaemon Masunaga in 1905, premiering its production of eyeglasses and the beginning of the optical industry in Fukui. Masunaga champions their skilled craftsmanship from Osaka and Tokyo, integrating meticulous and countless steps in the manufacturing process.

Featuring beautifully hand polished Japanese acetate, high grade pure Titanium, durable seven barrel hinges, and distinctive silver rivets, the MASUNAGA since 1905 collection confirms what Masunaga Optical has achieved over the past century. Masunaga Optical is the only company in Japan that has a factory in charge of all processes from raw materials, production to finishing in an integrated way to improve the detail and quality.