This is the official SIGMA Corporation Youtube Channel for sharing video contents created by us to the world. SIGMA Corporation is a composite optical machinery manufacturer founded in 1961. Allproducts are completely Made in Japan, at our Aizu factory, our only production base andwhere its integrated production embraces everything from molds to parts. For half a century, asa global company as well as an independent brand, SIGMA has produced not only variousinterchangeable lenses but has shown innovation in the development and production ofassorted optical machinery.
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