Zoom optical system, and camera and device therewith

Zoom optical system, and camera and device therewith

  • CN 101,490,583 A
  • Filed: 07/02/2007
  • Published: 07/22/2009
  • Est. Priority Date: 07/13/2006
  • Status: Active Application
First Claim
Patent Images

1. , a kind of varifocal optical system is observed from the thing side of described varifocal optical system, and it has the first fixing lens combination (20;

  • 120,122;

         200) and adjustable fluid lenses group (22,40;

    124,140,150;

    206,214), wherein, described adjustable lens group comprises at least the first (22;

    124;

         206) and second (40;

    140,150;

         214) adjustable fluid lenses, and be placed in lens stop (36 between described first and second fluid lens;

    139;

         212),It is characterized in that described first lens of fixing (20;

    120,122;

         200) group has negative power K.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×