Patents Assigned to Milestone Col., Ltd.
  • Imaging lens
    Patent number: 7110190
    Abstract: The present invention relates to an imaging lens with an number in the range 4.0, configured from two lenses, with a short lens optical length, and with sufficiently high image contrast so that sharp images are obtained. The imaging lens is configured by positioning, order from an object side to an image side, an aperture diaphragm, diaphragm, and a second lens, satisfying the following first lens, a second conditions. The first lens and second lens are both meniscus-shaped with convex surface facing the positive refractive power.
    Type: Grant
    Filed: June 23, 2004
    Date of Patent: September 19, 2006
    Assignees: Milestone Col., Ltd.
    Inventors: Satoshi Do, Yoshiyuki Hashimoto