4. Optical: systems and elements
  5. Lens

Chih-Yi Yang

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Cartridge type attachment lens for a digital camera

Photography – Camera detail – Lens mount
Reexamination Certificate

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Converter lens attachment with built-in light source for...

Television – Camera – system and detail – Optics
Reexamination Certificate

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Fixing structure for an auxiliary lens of cameras

Photography – Having lens converter or extension tube
Reexamination Certificate

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Pyramidal microlens and camera lens structure using the same

Optical: systems and elements – Lens
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Switchable magnification lens and photographic apparatus...

Optical: systems and elements – Lens – Selective magnification by exchanging or adding a lens...
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Profile ID: LFUS-PAI-P-3235120

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