Standard configurations
| Zoom ratio | 1:4 | 
| Objective zoom range | 1X-4X | 
| Eyepice,Big Eyepiece | 10X eyepiece, 20Xeyepiece, 2X big eyepiece | 
| Working distance | 95mm | 
| Interpupillary distance adjustment range | 55mm-75mm | 
| Binocular head | inclination of 45。 | 
| Diopter adjustment | ±5 diopter | 
| Optical body rotation | 360。 | 
Technical data
| 
             Project 
             | 
            
             Auxiliary Objective 
             | 
            
             Eyepiece 
             | 
            
             Working distance(mm) 
             | 
        |||||||
| 
             WF10X 
             | 
            
             WFl5X 
             | 
            
             WF20X 
             | 
            
             WF25X 
             | 
        |||||||
| 
             Magnifi-cation 
             | 
            
             Visual field 
             | 
            
             Magnifi-cation 
             | 
            
             Visual field 
             | 
            
             Magnifi-cation 
             | 
            
             Visual field 
             | 
            
             Magnifi-cation 
             | 
            
             Visual field 
             | 
        |||
| 
             Data 
             | 
            
             0.5X 
             | 
            
             5X-20X 
             | 
            
             40-10 
             | 
            
             7.5X-30X 
             | 
            
             32-8 
             | 
            
             10X-40X 
             | 
            
             26-6.6 
             | 
            
             12.5X-50X 
             | 
            
             24-6 
             | 
            
             160 
             | 
        
| 
             0.75X 
             | 
            
             7.5X-30X 
             | 
            
             26.7-6.7 
             | 
            
             11.3X-45X 
             | 
            
             21.3-5.3 
             | 
            
             15X-60X 
             | 
            
             17.3-4.4 
             | 
            
             18.8X-75X 
             | 
            
             16-4 
             | 
            
             120 
             | 
        |
| 
             1X 
             | 
            
             10X-40X 
             | 
            
             20-5 
             | 
            
             15X-60X 
             | 
            
             16-4 
             | 
            
             20X-80X 
             | 
            
             13-3.3 
             | 
            
             25X-100X 
             | 
            
             12-3 
             | 
            
             97 
             | 
        |
| 
             1.5X 
             | 
            
             15X-60X 
             | 
            
             13.3-3.3 
             | 
            
             22.5X-90X 
             | 
            
             10.7-2.7 
             | 
            
             30X-120X 
             | 
            
             8.7-2.2 
             | 
            
             37.5X-150X 
             | 
            
             8-2 
             | 
            
             45 
             | 
        |
| 
             2X 
             | 
            
             20X-80X 
             | 
            
             10-2.5 
             | 
            
             30X-120X 
             | 
            
             8-2 
             | 
            
             40X-160X 
             | 
            
             6.5-1.6 
             | 
            
             50X-200X 
             | 
            
             6-1.5 
             | 
            
             30 
             | 
        |