| DY-1 | |||
| Optical System | Infinite Optical System | ● | |
| Viewing Head | Seidentopf Binocular Viewing Head, Inclined at 45°, 360° Rotatable, Interpupillary 48-75mm | ● | |
| Eyepiece | Ф30 Wide Field Eyepiece WF10×/22, Eyepiece Tube Diameter 30mm | ● | |
| Wide Field Eyepiece WF15×/16 | ○ | ||
| Wide Field Eyepiece WF20×/12 | ○ | ||
| Objective | Infinite Plan Achromatic Objective 4×/0.10 WD=22 | ● | |
| LWD Infinite Plan Achromatic Phase Objective | 10×/0.25 WD=6 | ● | |
| 20×/0.4 WD=3.1 | ● | ||
| 40×/0.55 WD=2.2 | ● | ||
| Lamp House Adjustment Objective | ○ | ||
| Nosepiece | Backward Quintuple Nosepiece | ● | |
| Condenser | ELWD Condenser NA0.3,LWD72mm(without Condenser 150mm) | ● | |
| Centering Telescope | Centering Telescope(φ30mm) | ● | |
| Phase Annulus | 10×、20×、40× Phase Annulus Plate(Adjustable) | ● | |
| Stage | Plain Stage 230×170 | ● | |
| Glasse Insert | ● | ||
| Attachable Mechanical Stage,X、Y Coaxial Control,Moving Rang 80×120mm | ● | ||
| Auxiliary Stage | ● | ||
| Terasaki Holder | ● | ||
| Petri Dish Holderφ38 | |||
| Petri Dish Holderφ54 | ● | ||
| Focusing System | Coaxial Coarse and Fine Adjustment, Fine Division 0.002mm, Moving Range up 4.5mm down 4.5mm | ● | |
| Illumination | 6V30W Halogen Lamp, Brightness Adjustable | ● | |
| Filter | Blue、Green and Ground Glasse,Diameter 45mm | ● | |
| Accessories | Photo Attachment | ○ | |
| C Mount 0.4× | ○ | ||
| Epi-Fluorescent Attachment | ○ | ||
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