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| Product Name | Teelen 4XI Metallurgical Microscopy | SHSGBM BM-20APHD Computer Phase Contrast Microscope |
| Product Price | $1009.00 | $3147.00 |
| Details | Details | |
| Model comparison | ||
| type | Light | Light |
| Method | Brightfield | Brightfield Darkfield Phase |
| Structure | Upright | Upright Digital |
| Number of eyepieces | Binocular | Trinocular |
| magnification | 400-1000× 1000-1600× | 40-400× 400-1000× 1000-1600× |
| Light Source | Halogen | Halogen |
| Imaging | Hybrid | Hybrid |
| Objective | Oil | Oil |
| Parameter comparison | ||
| objective magnification | 10X, 40X (flat field), 100Xoil | |
| Objective numerical aperture (NA) | 0.25、0.65、1.25 | |
| Objective working distance | 7.31mm、0.65mm、0.37mm | |
| Eyepiece category | Flat field eyepiece | |
| Eyepiece magnification | 10X、12.5X | |
| eyepiece field of view diameter | 18mm、15mm | |
| Total magnification | 100X-1250X | |
| Mechanical barrel length | 160mm | Infinity system (∞) |
| Fretting focusing | Adjustment Range: 7mm scale: 0.002mm | |
| Coarse focusing Range | 7mm | |
| Photographic eyepieces | 5X, 6.3X (optional) | |
| Lighting bulb | 6V/12W Bromine Tungsten Lamp | |
| instrument weight | 5kg | |
| Encasement Volume | 360*246*350mm | |
