Specification:
| Component | Specifications | BP20 |
| Viewing head | Monocular head,45°inclined,360°rotating | ● |
| Eyepiece | WF10X-18mm with pointer | ● |
| DIN 45mm | DIN achromatic objective 4X/NA0.10 | ● |
| Nosepiece | Quadruple nosepiece with positive click stopper | ● |
| Stage | Fixed Metal stage 110mmX120mm with paired clips Coaxial knobs at low position | ● |
| Diaphragm | Iris diaphragm | ● |
| Condenser | NA1.25 Abbe condenser | ● |
| Illuminator | 0.5W LED lamps, Ni-Cd rechargeable battery pack, AC/DC adaptor. The brightness is adjustable | ● |