发明名称 |
IMAGE PICKUP LENS, IMAGE PICKUP APPARATUS, MOBILE TERMINAL, AND METHOD FOR MANUFACTURING IMAGE PICKUP LENS |
摘要 |
Disclosed is an image pickup lens (LN) including at least three lens blocks (BK) each equipped with a lens substrate (LS) being a parallel flat plate, and a lens or lenses (L) having a positive or negative power and being connected to at least one of an object-side surface and an image-side surface of the lens substrate (LS). In the image pickup lens (LN), a first lens block (BK1) arranged at a closest position to an object side has a positive powder, a second lens block (BK2) arranged at an image side of the first lens block (BK1) has s negative power, and predetermined conditional expressions are satisfied, whereby the image pickup lens capable of being easily produced at a low cost and having a high performance and a compact size can be provided.
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申请公布号 |
US2010315724(A1) |
申请公布日期 |
2010.12.16 |
申请号 |
US20090867974 |
申请日期 |
2009.02.19 |
申请人 |
FUKUTA YASUNARI;MATSUSAKA KEIJI |
发明人 |
FUKUTA YASUNARI;MATSUSAKA KEIJI |
分类号 |
G02B13/18;B23P17/00;G02B9/12;H04N5/225 |
主分类号 |
G02B13/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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