发明名称 Zoom lens assembly with focus adjustment mechanism
摘要 <p>A zoom lens assembly that couples a second lens group to a first lens group such that one cam mechanism is able to transfer both lens groups. The second lens group is further provided with a second cam mechanism that is able to provide the fine distance adjustment of the second lens group required for proper focus correction. &lt;IMAGE&gt;</p>
申请公布号 EP1229372(A2) 申请公布日期 2002.08.07
申请号 EP20020250038 申请日期 2002.01.04
申请人 CHEUNG, PING-YIM 发明人 CHEUNG, PING-YIM
分类号 G02B7/10;(IPC1-7):G02B7/10 主分类号 G02B7/10
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