IMAGING LENS

WIPO Patent Application WO/2019/047704

A1

An imaging lens, comprising a first lens (L11, L21, L31, L41, L51, L61, L71, L81, L91, L101, L111, L121, L131, L141, L151), a second lens (L12, L22, L32, L42, L52, L62, L72, L82, L92, L102, L112, L122, L132, L142, L152), a third lens (L13, L23, L33, L43, L53, L63, L73, L83, L93, L103, L113, L123, L133, L143, L153) and a fourth lens (L14, L24, L34, L44, L54, L64, L74, L84, L94, L104, L114, L124, L134, L144, L154). The first lens (L11, L21, L31, L41, L51, L61, L71, L81, L91, L101, L111, L121, L131, L141, L151) has positive refractive power, and the first lens (L11, L21, L31, L41, L51, L61, L71, L81, L91, L101, L111, L121, L131, L141, L151) comprises a convex surface (S11, S21, S31, S41, S52, S61, S71, S82, S92, S102, S111, S121, S131, S141, S151) facing the object side. The second lens (L12, L22, L32, L42, L52, L62, L72, L82, L92, L102, L112, L122, L132, L142, L152) has negative refractive power, and the second lens (L12, L22, L32, L42, L52, L62, L72, L82, L92, L102, L112, L122, L132, L142, L152)comprises a concave surface (S15, S25, S35, S45, S55, S65, S75, S85, S95, S105, S115, S125, S137, S147, S157) facing the image side. The third lens (L13, L23, L33, L43, L53, L63, L73, L83, L93, L103, L113, L123, L133, L143, L153) has negative refractive power. The fourth lens (L14, L24, L34, L44, L54, L64, L74, L84, L94, L104, L114, L124, L134, L144, L154) has negative refractive power. The first lens (L11, L21, L31, L41, L51, L61, L71, L81, L91, L101, L111, L121, L131, L141, L151), the second lens (L12, L22, L32, L42, L52, L62, L72, L82, L92, L102, L112, L122, L132, L142, L152), the third lens (L13, L23, L33, L43, L53, L63, L73, L83, L93, L103, L113, L123, L133, L143, L153) and the fourth lens (L14, L24, L34, L44, L54, L64, L74, L84, L94, L104, L114, L124, L134, L144, L154) are sequentially arranged along an optical axis (OA1, OA2, OA3, OA4, OA5, OA6, OA7, OA8, OA9, OA10, OA11, OA12, OA13, OA14, OA15) from the object side to the image side. The imaging lens satisfies the following condition: 0.1