| 
			 Parts  | 
			
			 Model  | 
			
			 Number  | 
			
			 MTS312  | 
			
			 MTS313  | 
			
			 MTS324  | 
			
			 Remark  | 
		
| 
			 Main body  | 
			
			 MTS 312  | 
			
			 1  | 
			
			 √  | 
			
			 
  | 
			
			 
  | 
			
			 Contain a pair of eyepieces WH10X  | 
		
| 
			 MTS 313  | 
			
			 1  | 
			
			 
  | 
			
			 √  | 
			
			 
  | 
			
			 Contain a pair of eyepieces WH10X  | 
		|
| 
			 MTS 324  | 
			
			 
  | 
			
			 
  | 
			
			 
  | 
			
			 √  | 
			
			 Contain a pair of eyepieces WH10X  | 
		|
| 
			 Stand  | 
			
			 MS1  | 
			
			 1  | 
			
			 √  | 
			
			 
  | 
			
			 √  | 
			
			 
  | 
		
| 
			 Eye shield  | 
			
			 
  | 
			
			 2  | 
			
			 √  | 
			
			 
  | 
			
			 √  | 
			
			 
  | 
		
Technical data:
| 
			 Model  | 
			
			 Objec- tive  | 
			
			 Eyepiece  | 
		|||||||
| 
			 SWH10X  | 
			
			 SWF15X  | 
			
			 SWF20X  | 
			
			 SWF30X  | 
		||||||
| 
			 Total Magnifica- tion  | 
			
			 Diameter of Visual field(mm)  | 
			
			 Total Magnifica- tion  | 
			
			 Diameter of Visual field (mm)  | 
			
			 Total Magnifica- tion  | 
			
			 Diameter of Visual field(mm)  | 
			
			 Total Magnifica- tion  | 
			
			 Diameter of Visual field(mm)  | 
		||
| 
			 MTS 312  | 
			
			 1X 2X  | 
			
			 10X 20X  | 
			
			 23 11.5  | 
			
			 15X 30X  | 
			
			 17 8.5  | 
			
			 20X 40X  | 
			
			 14 7  | 
			
			 30X 60X  | 
			
			 9 4.5  | 
		
| 
			 MTS 313  | 
			
			 1X 3X  | 
			
			 10X 30X  | 
			
			 23 7.7  | 
			
			 15X 45X  | 
			
			 17 5.7  | 
			
			 20X 60X  | 
			
			 14 4.7  | 
			
			 30X 90X  | 
			
			 9 3  | 
		
| 
			 MTS 324  | 
			
			 2X 4X  | 
			
			 20X 40X  | 
			
			 11.5 5.7  | 
			
			 30X 60X  | 
			
			 8.5 4.3  | 
			
			 40X 80X  | 
			
			 7 3.5  | 
			
			 60X 120X  | 
			
			 4.5 2.25  |