| Name | Specifications | B203 |
| Host | Y | |
| eyepiece | 10 × large field of view, high eye point flat field eyepiece | Y |
| 16 × flat field eyepiece | ○ | |
| Objective lens | Achromatic objective: 4 ×, 10 ×, 40 × × (S), 100 × × (S, Oil) | Y |
| Flat field achromatic objective: 4 ×, 10 ×, 40 × × (S), 100 × × (S, Oil) | ||
| Observation tube | Monocular group | |
| Eyepiece group, 30 ° tilt, 360 ° rotation | Y | |
| Three eyepiece group, 30 ° tilt, 360 ° rotation | ○ | |
| converter | Internal positioning of four-hole converter | Y |
| Focusing system | Coarse coaxial focus, coarse adjustment with elastic adjustment, and focus on the upper limit device | Y |
| Stage | Mechanical moving stage, the film with a resistance device, the scale scale 0.1mm | Y |
| Condenser | Can be lifted Abbe condenser, N.A.1.25, with variable light bar | Y |
| Lighting system | 3W-LED aspheric cold light source | Y |
| 6V / 20W halogen lamp | ○ | |
| Dark field | Applicable to dry dark field observation | ○ |
| Polarizer | Polarizer, analyzer | ○ |
| Mirror group | Flat, concave double-sided mirror | ○ |
| Camera interface | 1 × camera tube (for digital camera) | ○ |
| 0.5 × camera tube (for camera system) | ○ | |
| Digital system | Digital camera and digital camera device | ○ |
