• 製品

フォクトレンダー NOKTON classic 35mm F1.4 E-mount 発売日のお知らせ

2018.02.01

• Reasons behind the choices Cosina makes

Optical elements wrapped in transparent sheets

2018.02.01

• Reasons behind the choices Cosina makes

Air, glass, and antireflection coatings

2018.01.15

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Making glass nobody has ever made

2017.12.15

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New glass is not made in a day

2017.12.01

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Annealing to cure optical glass (2)

2017.11.15

• Reasons behind the choices Cosina makes

How optical elements are perfectly centered

2017.11.03

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Annealing to cure optical glass (1)

2017.11.01

• Reasons behind the choices Cosina makes

Cosmetics for clean lenses

2017.10.13

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Diatomite heating trays

2017.10.02

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Molds and tools for making lens blanks

2017.09.15

• Reasons behind the choices Cosina makes

Press-molding at 700ºC

2017.09.01