Head Magnifying Glass 8100-SC

Description

Rechargeable Magnifier

Combination of 4 powers.

1.5x, 2.0x, 8x, 3.5x, 9.5x, 11.5x

         
         
         
The Combined focal length of multiple lenses      
Lens Type Magnification Focal length (unit:mm)  
Front lens 1.5x 330    
Back Lens 2x 250    
Small-size Auxillary lens 8x 62.5    
Lens Assembly        
Front lens + back lens 3.5x 142    
Front lens + small-size auxiliary lens 9.5x 52    
Front lens + back lens + small-size auxiliary lens 11.5x 43