| Device | Technical Specifications | IVT.06.NB620 | 
          
            | Eyepiece | Extra Wide Field Eyepiece 10×/22 | ●  | 
          
            | Field Eyepiece 15×/16 | ○  | 
          
            | Field Eyepiece 20×/12 | ○  | 
          
            | Observation head | Seidentopf Viewing Head, Inclined at 45°, Interpupillary 48-75mm | ●  | 
          
            | Objective | Infinity plane objective 4× | ●  | 
          
            | Infinity plane objective 10× | ○  | 
          
            | Infinity plane objective 20× | ○  | 
          
            | Infinity plane objective40× | ○  | 
          
            | Phase contrast objective 4× | ○  | 
          
            | Phase contrast objective 10× | ●  | 
          
            | Phase contrast objective 20× | ●  | 
          
            | Phase contrast objective 40× | ●  | 
          
            | Infinity plane semi-apochromatic objective 10× | —  | 
          
            | Infinity plane semi-apochromatic objective 20× | —  | 
          
            | Infinity plane semi-apochromatic objective 40× | —  | 
          
            | Nosepiece | Quintuple Nosepiece | —  | 
          
            | Quintuple intelligent Nosepiece | ●  | 
          
            | Focusing mechanism | up 7mm, down 1.5mm,To limit up to 18.5mm | ●  | 
          
            | Centering telescope | lens tube φ30 | ●  | 
          
            | stage | 250mm×170mm | ●  | 
          
            | Moving stage | Y 80mm,X 128mm | ●  | 
          
            | Plain stage | Two plain stage | ○  | 
          
            | Condenser | NA=0.3 ,WD=75 | ●  | 
          
            | illumination | Transmitted illumination:3WLED | ●  | 
          
            | Fluorescent illumination:(B、G、U)3WLED | —  | 
          
            | Fluorescent illumination:V 3WLED | ○  | 
          
            | Universal phase contrast slider | 4×、10×/20×/40× (for phase contrast) | ●  | 
          
            | 4×、10×/20×、40×、60× | ○  | 
          
            | (for semi-apochromatic contrast) | 
          
            | Emboss contrast slider | contrast slider | ○  | 
          
            | ECO |  | —  | 
          
            | Camera mount | C-Mount 1× | ●  | 
          
            | C-Mount 0.5× | ○  | 
          
            | LCD | LCD Display | ●  |