7Artisans
7Artisans is a Chinese manufacturer of photographic lens. Its lens design is inspired by classic Leica lenses, though some more recent 7Artisans crop-sensor ...
Tamron
Tamron Co., Ltd. is a Japanese manufacturer of photographic lenses and optical components. Sony Corporation is a major shareholder in Tamron.
Voigtlander
Voigtlander was a historic company in optics and photography established originally in Austria in 1756. It ceased operations in the 1970s, and since 1999 Voigtlander exists as a brand of lenses and accessories manufactured by the Japanese optics and camer
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