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Focal length transitional method, auxiliary lens for transiting

Optical: systems and elements – Lens – Selective magnification by exchanging or adding a lens...
Patent

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Front converter lens

Optical: systems and elements – Lens – Selective magnification by exchanging or adding a lens...
Reexamination Certificate

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Front converter lens system using a diffractive surface

Optical: systems and elements – Lens – Selective magnification by exchanging or adding a lens...
Patent

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Image magnification apparatus

Optical: systems and elements – Lens – Selective magnification by exchanging or adding a lens...
Patent

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Image taking optical system and reduction optical system

Optical: systems and elements – Lens – Selective magnification by exchanging or adding a lens...
Reexamination Certificate

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Imaging lens arrangement designed for low light conditions

Optical: systems and elements – Lens – Selective magnification by exchanging or adding a lens...
Reexamination Certificate

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Imaging lens device and portable apparatus having imaging...

Optical: systems and elements – Lens – Selective magnification by exchanging or adding a lens...
Reexamination Certificate

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Interchangeable lens system

Optical: systems and elements – Lens – Selective magnification by exchanging or adding a lens...
Reexamination Certificate

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Lens array imaging with cross-talk inhibiting optical stop...

Optical: systems and elements – Lens – Selective magnification by exchanging or adding a lens...
Reexamination Certificate

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Lens system with master lens system and conversion lens

Optical: systems and elements – Lens – Selective magnification by exchanging or adding a lens...
Patent

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Miniature fixed-focal-length lens system

Optical: systems and elements – Lens – Selective magnification by exchanging or adding a lens...
Patent

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Mount conversion adaptor lens

Optical: systems and elements – Lens – Selective magnification by exchanging or adding a lens...
Reexamination Certificate

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Objective lens for microscope

Optical: systems and elements – Lens – Selective magnification by exchanging or adding a lens...
Patent

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Optical adapter for mounting camera lenses on a video camera

Optical: systems and elements – Lens – Selective magnification by exchanging or adding a lens...
Reexamination Certificate

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Optical device

Optical: systems and elements – Lens – Selective magnification by exchanging or adding a lens...
Patent

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Optical magnification adjustment system and projection...

Optical: systems and elements – Lens – Selective magnification by exchanging or adding a lens...
Reexamination Certificate

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Optical systems

Optical: systems and elements – Lens – Selective magnification by exchanging or adding a lens...
Patent

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Rear conversion lens

Optical: systems and elements – Lens – Selective magnification by exchanging or adding a lens...
Patent

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Rear converter lens

Optical: systems and elements – Lens – Selective magnification by exchanging or adding a lens...
Patent

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Switchable magnification lens and photographic apparatus...

Optical: systems and elements – Lens – Selective magnification by exchanging or adding a lens...
Reexamination Certificate

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