4. Optical: systems and elements
  5. Lens
  6. With variable magnification

Nobuyuki Shirie

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Diaphragm switching apparatus

Photography – With exposure objective focusing means – focusing aid – or... – Dual purpose motor
Reexamination Certificate

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Flare stoppper and taking lens unit

Optical: systems and elements – Lens – With light limiting or controlling means
Reexamination Certificate

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Initial focusing mechanism for zoom lens system

Optical: systems and elements – Lens – With variable magnification
Patent

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Lens device

Optical: systems and elements – Lens – With variable magnification
Reexamination Certificate

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Zoom lens

Optical: systems and elements – Lens – With variable magnification
Patent

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Profile ID: LFUS-PAI-P-223997

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