发明名称 Prism type lens
摘要 A prism type of lens includes a first reflection lens, at least a first lens group, a second reflection prism, at least a second lens group, a third reflection prism, and at least a third lens group sequentially arranged from an object side to an image side. Light is reflected by the reflection prisms to form a bent light axis. Therefore, the optical axis has three sections for the lens groups to move respectively. The bent light axis has a longer distance that the lens of the present invention may have a great zoom range.
申请公布号 US8248710(B2) 申请公布日期 2012.08.21
申请号 US20100964080 申请日期 2010.12.09
申请人 HSUEH CHUN-YU;ASIA OPTICAL CO., INC. 发明人 HSUEH CHUN-YU
分类号 G02B15/14;G02B5/04 主分类号 G02B15/14
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