公开(公告)号：US20130163101A1

公开(公告)日：2013-06-27

申请号：US13821532

申请日：2011-09-05

申请人： Yasunari Fukuta ,  Kazuki Matsui ,  Ryouta Ishikawa ,  Takashi Kawasaki

发明人： Yasunari Fukuta ,  Kazuki Matsui ,  Ryouta Ishikawa ,  Takashi Kawasaki

IPC分类号： G02B9/08

CPC分类号： G02B13/0045 ,  H04N5/2252 ,  H04N5/2254

摘要： An image capturing lens is disclosed, which is compact and capable of capturing an image at a wide angle though realizing low cost performance by enabling mass productions of wafer-scale lenses, and an image capturing device is disclosed, which uses this image capturing lens. For the purpose of attaining short focusing, a wide angle of view can be ensured by optimally disposing the power of a first lens block and the power of a second lens block so that a value of a conditional formula (1) becomes higher than a lower limit. Hereat, a wider angle can be attained by strengthening the positive power of the second lens block against the first lens block without increasing the overall length. While on the other hand, the value of the conditional formula (1) becomes lower than an upper limit, whereby the power of the second lens block is prevented from being excessively strengthened, the lens units of the second lens block can be configured with a small sag quantity, and moldability can be kept preferable, 0.9

摘要翻译： 公开了一种图像拍摄透镜，其是紧凑的并且能够通过实现晶片级透镜的批量生产而实现低成本性能而广角拍摄图像，并且公开了使用该图像拍摄透镜的图像捕获装置。 为了获得短焦距，可以通过最佳地布置第一透镜块的功率和第二透镜块的功率来确保广角视角，使得条件式（1）的值变得高于下一个 限制。 因此，通过在不增加总长度的情况下将第二透镜块的正向力抵靠第一透镜块加强，可以获得更宽的角度。 而另一方面，条件式（1）的值变得低于上限，从而防止第二透镜块的功率过度增强，第二透镜块的透镜单元可以被配置为 0.9