SPECIFICATION:
| Model | Eyepiece | Objective | Working stage | Illumination | 
| SM-700 | WF10X | Rotated 1X-2X 1X-3X 2X-4X | White/ black | Natural illumination | 
| SM-710 | WF10X | White/ black | Natural illumination | |
| SM-720 | WF10X | White/ black | Natural illumination | |
| SM-730 | WF10X | Frosted glass | Incident illumination &transmitted illumination | |
| SM-740 | WF10X | Frosted glass | Incident illumination &transmitted illumination | |
| SM-750 | WF10X | Frosted glass | Incident illumination &transmitted illumination | |
| Optional accessories: 0.5X、0.75X、1.5X、 2X(Auxiliary Objective);WF5X、WF10X、 WF15X、WF20X(Eyepiece); Ring light. | ||||
OPTICAL DATA:
| Eye- piece | Stand Objective | Auxiliary Objective | |||||||||
| 0.5X | 0.75X | 1.5X | 2.0X | ||||||||
| Objec- tive | Field of View | Working Distance | Field of View | Working Distance | Field of View | Working Distance | Field of View | Working Distance | Working Distance | Field of View | |
| WF 5X | 1X | 20 | 109 | 37.5 | 120 | 24 | 75 | 14 | 40 | 11 | 25 | 
| 2X | 10 | 99 | 19 | 120 | 12 | 75 | 7 | 40 | 5.5 | 25 | |
| 3X | 7 | 84 | 12.5 | 120 | 8 | 75 | 4.5 | 40 | 3.5 | 25 | |
| 4X | 5 | 81 | 19 | 120 | 6 | 75 | 3.5 | 40 | 2.8 | 25 | |
| WF 10X | 1X | 20 | 109 | 37.5 | 120 | 25 | 75 | 14 | 40 | 11 | 25 | 
| 2X | 10 | 99 | 19 | 120 | 12 | 75 | 7 | 40 | 5.5 | 25 | |
| 3X | 7 | 84 | 12.5 | 120 | 8 | 75 | 4.5 | 40 | 3.5 | 25 | |
| 4X | 5 | 81 | 19 | 120 | 6 | 75 | 3.5 | 40 | 3 | 25 | |
| WF 15X | 1X | 15 | 109 | 30 | 120 | 18 | 75 | 10 | 40 | 8 | 25 | 
| 2X | 7.5 | 99 | 15 | 120 | 9 | 75 | 5 | 40 | 4 | 25 | |
| 3X | 5 | 84 | 9.5 | 120 | 6 | 75 | 3.5 | 40 | 3 | 25 | |
| 4X | 3.8 | 81 | 7 | 120 | 4.5 | 75 | 2.8 | 40 | 2 | 25 | |
| WF 20X | 1X | 10 | 109 | 19 | 120 | 12 | 75 | 7 | 40 | 5.5 | 25 | 
| 2X | 5 | 99 | 10 | 120 | 6 | 75 | 3.5 | 40 | 2.5 | 25 | |
| 3X | 3.5 | 84 | 6.2 | 120 | 4 | 75 | 2.4 | 40 | 2 | 25 | |
| 4X | 2.5 | 81 | 4.7 | 120 | 3 | 75 | 2 | 40 | 1.5 | 25 | |