Wide-angle imaging lens system

专利名称：Wide-angle imaging lens system发明人：Asami, Taro Fujinon Corporation,Otomo,

Ryoko Fujinon Corporation

申请号：EP06022048.0申请日：20061020公开号：EP1777941A1公开日：20070425

专利附图：

摘要：A wide-angle imaging lens is provided and includes: a first lens (L1), a secondlens (L2), and a third lens (L3) in this order from the object side. The first lens (L1) is anegative meniscus and has a convex surface on the object side; the second lens (L2), at

least one surface of which is an aspherical surface; and the third lens (L3) is a positive lensand has a convex surface on the image side and at least one surface of the third lens (L3)is an aspherical surface. The first lens (L1) is made of a material having an Abbe number of40 or more and the third lens (L3) is made of a material having an Abbe number of 50 ormore. An aperture stop (St) is disposed between the second lens (L2) and the third lens(L3).

申请人：Fujinon Corporation

地址：1-324 Uetake-cho, Kita-ku Saitama-shi, Saitama JP

国籍：JP

代理机构：Klunker . Schmitt-Nilson . Hirsch

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