| Model | BM2000 | |
| Total Magnification | 40×-1000× | ● |
| Optical System | Infinite optical system | ● |
| Viewing Head | Siedentopf binocular viewing head, inclined at 30°,360°rotatable | ● |
| Siedentopf trinocular viewing head, inclined at 30°,360°rotatable | ○ | |
| Built-in digital camera system | ○ | |
| Eyepiece | WF10×/20 | ● |
| WF15×/16 | ○ | |
| Objective | Infinite plan achromatic objective 4×,10×,40×,100× | ● |
| Nosepiece | Backward quadruple nosepiece | ● |
| Backward quintuple nosepiece | ○ | |
| Focusing | Coaxial coarse & fine adjustment, range 22mm, fine division 0.002mm | ● |
| Stage | Rectangular 230×150mm, cross travel 78×54mm, using low-positioned X/ Y coaxial control knob | ● |
| Condenser | Abbe condenser NA1.25 with aperture diaphragm | ● |
| Illumination | 12V/20W Halogen lamp, brightness adjustable | |
| S-LED Illumination, brightness adjustable | ○ | |
| Optional | Photo attachment, Video attachment, Polarization set, Phase contrast kit | ○ |