确善能
![Cosina 19-35 f/3.5-4.5 AF lens](/Images/godic/202501/06/Cosina_19-353706.jpg")
![Cosina Hi-Lite](/Images/godic/202501/06/Cosina_Hi-Lite_Frontansicht_01_093706.jpg")
Koscina公司（Cosina有限公司）是一家民用光学仪器生产公司。总部设在长野县中野市大字吉田1081号。最开始叫Niko,1973年更名为Cosina.
主要生产18毫米-280毫米的各种卡口的单反镜头。本身的牌子不是很有名气，但是确善能公司为很多厂商提供OEM产品。包括：蔡司，徕卡，福伦达等等。
Cosina
中文百科
英语百科
Cosina 确善能
![Wide angle lens Cosina Voigtländer 20mm f/3.5 Color Skopar SL II Aspherical](/Images/godic/202501/06/VoigtlanderWideAngleLens203706.jpg")
Cosina Co., Ltd.(株式会社コシナKabushiki-gaisha Koshina) is a designer and manufacturer of cameras and lenses, and a glassmaker, based in Nakano, Nagano Prefecture, Japan.
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