SPECIFICATION
| Model | Eyepiece | Objective | Working Stage | Illumination |
| XTX-4A | WF10× | Fixed 2× | φ60 White/black | Natural illumination |
| XTX-4B | WF10× | Fixed 2× | φ60 White/black | Incident illumination |
| XTX-4C | WF10× | Fixed 2× | φ90 Frosted glass | Incident illumination & transmitted illumination |
OPTICAL DATA
| Objective | Eyepiece | WD | |||||||
| 5× | 10× | 15× | 20× | ||||||
| M | FOV | M | FOV | M | FOV | M | FOV | ||
| 1× | 5× | 20.0mm | 10× | 20.0mm | 15× | 15.0mm | 20× | 10.0mm | 57mm |
| 2× | 10× | 10.0mm | 20× | 10.0mm | 30× | 7.5mm | 40× | 6.5mm | 80mm |
| 3× | 15× | 7.0mm | 30× | 6.7mm | 45× | 5.0mm | 60× | 4.3mm | 61mm |
| 4× | 20× | 5.0mm | 40× | 5.0mm | 60× | 3.7mm | 80× | 3.2mm | 57mm |
| 6× | 30× | 4.0mm | 60× | 3.3mm | 90× | 2.5mm | 120× | 2.1mm | 66mm |

























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