Small form factor takes the photograph remote camera

Small form factor takes the photograph remote camera

  • CN 104,597,586 B
  • Filed: 10/31/2014
  • Issued: 07/16/2019
  • Est. Priority Date: 10/31/2013
  • Status: Active Grant
First Claim
Patent Images

1. a kind of camera, comprising:

  • Photoreceptor is configured as capturing the light being projected on the surface of the photoreceptor;

    And telephoto lens system, it is configuredTo reflect the light of the object field from the front for being located at the camera with shape at the picture plane at the surface of the photoreceptorAt the image of scene, wherein the lens system includes;

    aperture diaphragm;

    With multiple refractions of the optical axis arrangement along the cameraType lens element, wherein at least one surface of at least one lens element in the multiple lens element is aspherical;

    Wherein the lens system has effective focal length f, wherein total track length (TTL) of the lens system is 6.0 millimetersOr it is smaller, and wherein the lens system takes the photograph far ratio (TTL/f) in the range of 0.74 to 1.0;

    AndWherein following multiple lens elements are arranged along optical axis in order from the object side to image side;

    With positive refracting power and with the first lens element of convex object side surface;

    The second lens element with negative refracting power;

    With negative refracting power and with the third lens element of recessed object side surface;

    With negative refracting power and with the 4th lens element of recessed object side surface;

    AndWith positive refracting power and with the 5th lens element on convex image side surface.

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