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    • 5. 发明申请
    • IMAGE CAPTURING LENS AND IMAGE CAPTURING DEVICE
    • 图像捕获镜头和图像捕获设备
    • US20130163101A1
    • 2013-06-27
    • US13821532
    • 2011-09-05
    • Yasunari FukutaKazuki MatsuiRyouta IshikawaTakashi Kawasaki
    • Yasunari FukutaKazuki MatsuiRyouta IshikawaTakashi Kawasaki
    • G02B9/08
    • G02B13/0045H04N5/2252H04N5/2254
    • 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
    • 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
    • 8. 发明申请
    • Image Pickup Lens and Image Pickup Apparatus
    • 图像拾取镜头和图像拾取装置
    • US20120206639A1
    • 2012-08-16
    • US13501678
    • 2010-10-06
    • Kazuki MatsuiYasunari Fukuta
    • Kazuki MatsuiYasunari Fukuta
    • H04N5/225G02B13/18G02B9/12
    • G02B13/0035
    • Provided is an image pickup lens composed of three lens elements and an image pickup apparatus using the same, where the image pickup lens has satisfactorily corrected aberrations despite being smaller in size than conventional image pickup lenses. As image pickup lens includes, in order from the object side, an aperture stop, a first lens, a second lens, and a third lens. The first lens is a positive lens and is a meniscus lens having a convex surface facing the object side and a concave surface facing the object side, and the third lens is a negative lens. The image pickup lens satisfies conditional expressions relating to an air gap between the second and third lenses, a focal length of the second lens, and a curvature radius of the object-side surface of the second lens.
    • 提供了一种由三个透镜元件组成的图像拾取透镜和使用该图像拾取装置的图像拾取装置,其中图像拾取透镜具有令人满意的校正像差,尽管尺寸小于常规图像拾取透镜。 作为图像拾取透镜,从物体侧依次包括孔径光阑,第一透镜,第二透镜和第三透镜。 第一透镜是正透镜,并且是具有面向物体侧的凸表面和面向物体侧的凹面的弯月形透镜,第三透镜​​是负透镜。 图像拾取透镜满足与第二透镜和第三透镜之间的气隙,第二透镜的焦距和第二透镜的物体侧表面的曲率半径有关的条件表达式。