Zemax光學(xué)設(shè)計從入門到精通	Zemax光學(xué)設(shè)計從基礎(chǔ)到實(shí)踐	成像衍射光學(xué)元件設(shè)計及應(yīng)用	現(xiàn)代光學(xué)與光子學(xué)技術(shù)
訊技光電:VirtualLab Fusion獨(dú)家供應(yīng)商	微小光學(xué)與微透鏡陣列	光學(xué)設(shè)計與光學(xué)元件	計算光學(xué)帶來的成像革命

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離線yazhuge

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只看樓主倒序閱讀樓主發(fā)表于: 2005-10-21

Zoom lens system
Abstract
A zoom lens system is disclosed. The zoom lens system forms a final image of an object and a first intermediate real image between the object and the final image. The zoom lens system includes a first optical unit located between the object and the first intermediate real image. The first optical unit comprises at least one optical subunit which is moved to change the size (magnification) of the first intermediate real image. The zoom lens system also includes a second optical unit located between the first intermediate real image and the final image, at least a portion of which is moved to change the size (magnification) of the final image. The zoom lens system provides a wide zoom range of focal lengths with continuous zooming between the focal lengths and optional image stabilization.
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http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&u=%2Fnetahtml%2FPTO%2Fsearch-adv.html&r=62&f=G&l=50&d=PG01&s1=%22lens+design%22&p=2&OS=zemax&RS="lens+design"