Double convex lens mounted in a plastic case folds into the casing.
Clear diameter of lens 22 mm. 

  

    

    Code
    

    
No. of Lenses
    

    
Magnifications
  
  

    

    01
    
     
    Single
    
 Magnification 
    - 4X 
  
  

    

    02
    
     
    Double
    
 Double 
    lens: Magnification - 4X & 3X
  
  

    

    03
    
     
    Triple
    
 Triple 
    lens: Magnification - 4X, 3X & 3X