|   | 
            XSZ-N204 | 
            XSZ-N304 | 
            XSZ-N510 | 
        
        
            | Viewing Head | 
            Sliding Binocular Head, lnclined at 45° | 
            2Pcs | 
            1Pc | 
            5Pcs | 
        
        
            | Monocular Head, lnclined at 45° | 
              | 
            2Pcs | 
              | 
        
        
            | Eyepiece | 
            Wide Field Eyepiece WF10× | 
            4Pcs | 
            4Pcs | 
            10Pcs | 
        
        
            | Nosepiece | 
            Quadruple Nosepiece | 
            ● | 
            ● | 
            ● | 
        
        
            | Objective | 
            Achromatic Objective 4×、 10×、40×、100× | 
            ● | 
            ● | 
            ● | 
        
        
            | Condenser | 
            Abbe Condenser NA1.25 | 
            ● | 
            ● | 
            ● | 
        
        
            | Focusing | 
            Coaxial Coarse & Fine Focus Adjustment, Fine Division 0.002mm | 
            ● | 
            ● | 
            ● | 
        
        
            | Stage | 
            Double Layers Mechanical Stage 140×140mm/ 75×50mm | 
            ● | 
            ● | 
              | 
        
        
            | Plain Stage 140×140mm/ 75×50mm | 
              | 
              | 
            ● | 
        
        
            | lllumination | 
            S-LED Illumination, Brightness Adjustable | 
            ● | 
            ● | 
            ● | 
        
        
            | Halogen Lamp 6V/ 20W | 
            ○ | 
            ○ | 
              | 
        
        
            | Halogen Lamp 24V/ 100W | 
              | 
              | 
            ○ | 
        
        
            | Pointer | 
            Green LED Pointer , Brightness Adjustable | 
              | 
              | 
            ● |