Patent ID: 11921263
Assignee: GENIUS ELECTRONIC OPTICAL CO., LTD.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 11:
12. The optical imaging lens according to claim 8, wherein a central thickness of said third lens element is CT3, an air gap between said second lens element and said third lens element is AC23, an air gap between said third lens element and said fourth lens element is AC34, and CT3, AC23, and AC34 satisfy the equation:, 2
     .
     3
    
    ⁢
    0
   
   ≤
   
    
     
      A
      ⁢
      C
      ⁢
      2
      ⁢
      3
     
     +
     
      C
      ⁢
      T
      ⁢
      3
     
     +
     
      A
      ⁢
      C
      ⁢
      3
      ⁢
      4
     
    
    
     C
     ⁢
     T
     ⁢
     3
    
   
  
  .