This instrument is an inverted metallographic microscope. Since the observed surface of the sample coincides with the surface of the worktable, it has nothing to do with the height of the sample. It is easy to use, compact in structure, beautiful in appearance, large in the support area of the instrument base, and strong in the curved arm. The center of gravity of the instrument is low and stable and reliable. Because the eyepiece and the supporting surface are inclined at 45°, the observation is comfortable.一．用 途
用于鉴别和分析各种金属和合金材料的组织结构，广泛应用在工厂或实验室进行铸件质量的鉴定；原材料的检验或材料处理后的金相组织分析；以及对表面喷涂等一些表面现象进行研究工作。
本仪器可配用摄影装置进行显微摄影。
Specification
1. objective lens
| category | gain | Numerical aperture
(N.A) |
system | working distance
(mm) |
| Achromatic Objectives | 10× | 0.25 | Dry | 7.31 |
| Semi-plan achromatic objectives | 40× | 0.65 | Dry | 0.66 |
| Achromatic Objectives | 100× | 1.25 | Oil | O.37 |
| category | gain | Field of view diameter (mm) |
| flat field eyepiece | 10× | 18 |
| 12.5× | 15 |
3. Magnification: 100×～1250×
4. Mechanical barrel length: 160mm
5. Micro focus: Adjustment range: 7 mm Scale value: 0.002 mm
6. Coarse focus range: 7mm
7. Mechanical table: 75×50mm
8. Lighting Bulb: 6 Volt 12 Watt Bromine Tungsten Lamp
9. Instrument weight: 5 kg
Completeness of the instrument
| 1. 1 microscope body | 7. Eyepieces 10×, 12.5× 2 each |
| 2. Stage compression spring 1 piece | 8. Objective lens 10×, 40×, 100× 1 each |
| 3. Slide Φ10, Φ20 1 piece each | 9. 1 binocular tube |
| 4. Color filter (yellow, green, gray and frosted glass) 1 each | 10. 10× micrometer eyepiece 1 piece |
| 5. 1 bottle of Chinese fir oil | 11. Micrometer (0.01mm grid value) 1 piece |
| 6. Light bulbs (bromo-tungsten lamps) 2 (spare) | 12. Optional accessories: 1 set of photographic equipment |
