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Device and method for opening and closing a barrier in a zoom ca

Photography – Having variable focal length of camera objective – Having focus operation
Patent

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Diaphragm movement device

Photography – Having variable focal length of camera objective – Having focus operation
Patent

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Digital camera and manual focus method thereof

Photography – Having variable focal length of camera objective – Having focus operation
Reexamination Certificate

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Digital camera and manual focus method thereof

Photography – Having variable focal length of camera objective – Having focus operation
Reexamination Certificate

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Distance measuring apparatus

Photography – Having variable focal length of camera objective – Having focus operation
Patent

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Distance measuring apparatus

Photography – Having variable focal length of camera objective – Having focus operation
Patent

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Distance measuring device

Photography – Having variable focal length of camera objective – Having focus operation
Reexamination Certificate

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Distance measuring device

Photography – Having variable focal length of camera objective – Having focus operation
Reexamination Certificate

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Distance measuring device and camera having the same

Photography – Having variable focal length of camera objective – Having focus operation
Reexamination Certificate

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Distance measuring device, focus detector, and camera...

Photography – Having variable focal length of camera objective – Having focus operation
Reexamination Certificate

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Drive controller of a lens apparatus

Photography – Having variable focal length of camera objective – Having focus operation
Reexamination Certificate

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Driving device having multiple driving means selectively operate

Photography – Having variable focal length of camera objective – Having focus operation
Patent

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Driving mechanism for a photograhing optical system

Photography – Having variable focal length of camera objective – Having focus operation
Patent

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Driving mechanism for a photographic lens in a variable-focus ph

Photography – Having variable focal length of camera objective – Having focus operation
Patent

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