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Zoom lens
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Patent number 8,248,711
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Issue date Aug 21, 2012
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Premier Image Technology (China) Ltd.
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Zi-Yuan Li
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G02 - OPTICS
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Compact zoom lens
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Patent number 7,916,400
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Issue date Mar 29, 2011
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Premier Image Technology (China) Ltd.
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Long-Liang Zou
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G02 - OPTICS
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Compact zoom lens
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Patent number 7,843,648
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Issue date Nov 30, 2010
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Premier Image Technology (China) Ltd.
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Long-Liang Zou
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Retractable zoom lens
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Patent number 7,791,820
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Issue date Sep 7, 2010
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Premier Image Technology (China) Ltd.
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Zi-Yuan Li
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G02 - OPTICS
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