| Item | Specification | BS-2052A | BS-2052B |
| Optical System | Finite Optical System | · | |
| Infinite Optical System | | · |
| Eyepiece | WF10×/18mm | · | |
| WF10×/20mm | | · |
| Viewing Head | Monocular Head, inclined at 30° | ○ | |
| Seidentopf Binocular Head, inclined at 30°, Interpupillary 47-78mm | · | · |
| Seidentopf Trinocular Head, inclined at 30°, Interpupillary 47-78mm | ○ | ○ |
| Digital Binocular Head with built-in camera, Inclined at 30°, Interpupillary Distance 47-78mm, 5.0MP, Support Wifi | ○ | ○ |
| Digital Binocular Head with Tablet camera, Inclined at 30°, Interpupillary Distance 47-78mm, 5.0MP, 8" LCD, Android OS | ○ | ○ |
| Objective | Finite Achromatic Objectives 4×, 10×, 40×, 100× | · | |
| Finite Achromatic Objectives 20×, 60× | ○ | |
| Finite Semi-Plan Achromatic Objectives 2×, 4×, 10×, 20×, 40×, 60×, 100× | ○ | |
| Finite Plan Achromatic Objectives 4×, 10×, 20×, 40×, 60×, 100× | ○ | |
| Infinite Semi-Plan Achromatic Objectives 4×, 10×, 40×, 100× | | · |
| Infinite Plan Achromatic Objectives 2×, 4×, 10×, 20×, 40×, 60×, 100× | | ○ |
| Infinite Plan Fluorescent Objective 4×, 10×, 20×, 40×, 100× | | ○ |
| Nosepiece | Backward Quadruple Nosepiece | · | · |
| Backward Quintuple Nosepiece | ○ | ○ |
| Stage | Double Layers Mechanical Stage 140mm×140mm, Moving Range 75mm×50mm | · | |
| Rackless Double Layers Mechanical Stage 150mm×139mm, Moving Range 75mm×52mm | | · |
| Condenser | Abbe Condenser NA1.25 | · | · |
| Dark Field Condenser (Dry / Oil) | ○ | ○ |
| Focusing | Coaxial Coarse and Fine Adjustment, Fine Division 0.002mm, Moving Range 25mm | · | · |
| Illumination | S-LED Illumination, Brightness Adjustable | · | · |
| S-LED Illumination with Rechargeable Battery, Brightness Adjustable | ○ | ○ |
| 6V/20W Halogen Lamp, Brightness Adjustable | ○ | ○ |
| Kohler Illumination | ○ | ○ |
| ECO Function, automatically turn off after 15 mins of no use | ○ | ○ |
| Plane-concave Mirror | ○ | ○ |
| Optional accessories | Phase Contrast Kit | ○ | ○ |
| Polarizing Set | ○ | ○ |
| FL-LED Epi-fluorescent Attachment | | ○ |
| Package | 1pc/carton, 36*26*46mm, gross weight: 8kg | · | · |
Complaint
