发明名称 |
Image Pickup Lens, Image Pickup Unit, and Mobile Terminal |
摘要 |
An image pickup lens includes, in order from an object side thereof: a first lens in a meniscus shape having a positive refractive power and including a convex surface facing the object side; a second lens having a negative refractive power and including a concave surface facing an image side of the image pickup lens; a third lens in a meniscus shape having a positive refractive power and including a convex surface facing the image side; and a fourth lens having a negative refractive power and including a concave surface facing the image side, where at least one surface of the fourth lens is in an aspheric shape. The image pickup lens satisfies a predetermined condition relating to a composite focal length of the first lens and the second lens, and a focal length of a total system of the image pickup lens.
|
申请公布号 |
US2009290234(A1) |
申请公布日期 |
2009.11.26 |
申请号 |
US20090467980 |
申请日期 |
2009.05.18 |
申请人 |
KONICA MINOLTA OPTO, INC. |
发明人 |
SANO EIGO;KAWASAKI TAKASHI |
分类号 |
G02B3/02 |
主分类号 |
G02B3/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|