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Wide-angle eyepiece lens
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Patent number 6,166,861
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Issue date Dec 26, 2000
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Fuji Photo Optical Co., Ltd.
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Noboru Koizumi
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G02 - OPTICS
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Wide-field eyepiece
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Patent number 6,069,750
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Issue date May 30, 2000
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Fuji Photo Optical Co., Ltd.
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Noboru Koizumi
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G02 - OPTICS
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Eyepiece zoom lens system
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Patent number 5,663,834
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Issue date Sep 2, 1997
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Fuji Photo Optical Co. Ltd.
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Noboru Koizumi
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G02 - OPTICS
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