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- Country: Japan
- Type: Commercial
- Website: www.cosina.co.jp
- Update: 05-01
Cosina is a leading Japanese manufacturer of optical instruments, headquartered in Nakano City, Nagano Prefecture, formerly known as Niko, and renamed Cosina in 1973, Cosina mainly produces DSLR lenses, but also OEM for famous brands such as Zeiss, Leica, and Vorono.
