1.2.5 X dental surgical loupes
2. Magnification: 2.5X, 
3.  Working distance: 420MM
4,Depth of filed:90mm
5,field of viwer:100mm
 
二: 3.5Xdental surgical loupes 
2. Magnification: 3.5X, 
3.  Working distance: 420MM
4,Depth of filed:60mm
5,field of viwer:80mm
 
4.  Viewing Angle: Adjustable    
5.  Exact to adjust, turn freely
6.  Meet the requirement of different interpuillary distance
7.  Extremely High resolution optics, anti-reflection coating
8.  Lightweight design 
9.  The frame is steady and reliable
10. it can use together with  headlight