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Fabrication of unit lenses for compound refractive lenses

Optical: systems and elements – Lens – Multiple component lenses
Reexamination Certificate

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Fast photographic lens system

Optical: systems and elements – Lens – Multiple component lenses
Patent

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Fast responding optical modulator

Optical: systems and elements – Lens – Multiple component lenses
Reexamination Certificate

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Firing simulator

Optical: systems and elements – Lens – Multiple component lenses
Reexamination Certificate

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Fisheye lens

Optical: systems and elements – Lens – Multiple component lenses
Reexamination Certificate

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Fisheye lens system

Optical: systems and elements – Lens – Multiple component lenses
Reexamination Certificate

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Five-element optical device

Optical: systems and elements – Lens – Multiple component lenses
Reexamination Certificate

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Fixed focal length lens system

Optical: systems and elements – Lens – Multiple component lenses
Reexamination Certificate

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Fixed focus lens

Optical: systems and elements – Lens – Multiple component lenses
Reexamination Certificate

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Fixed-focus lens

Optical: systems and elements – Lens – Multiple component lenses
Reexamination Certificate

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Fixed-focus lens

Optical: systems and elements – Lens – Multiple component lenses
Reexamination Certificate

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Fixed-focus triplet projection lens for overhead projectors

Optical: systems and elements – Lens – Multiple component lenses
Patent

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Flat wide-angle objective

Optical: systems and elements – Lens – Multiple component lenses
Reexamination Certificate

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Focus adjustable optical system

Optical: systems and elements – Lens – Multiple component lenses
Reexamination Certificate

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Four-piece lens assembly

Optical: systems and elements – Lens – Multiple component lenses
Reexamination Certificate

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Four-piece lens assembly

Optical: systems and elements – Lens – Multiple component lenses
Reexamination Certificate

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Fourier transform lens assembly

Optical: systems and elements – Lens – Multiple component lenses
Patent

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