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Carnegie Hematology
Hematology Parts of the Microscope
| Term | Definition |
|---|---|
| eyepiece ocular lens | magnifies 10x |
| body tube | keri filtered light from objective lens to ocular lens. |
| Coarse adjustment knob | generally focuses specimen. |
| Nosepiece | holds objective lenses, adjustable. |
| Objectives | variable magnifying lenses. |
| Stage clip | holds slides in place, adjusts location. |
| Arm | Connects magnifying lenses to base of microscope |
| stage | location of specimen. |
| Mechanical stage | holds slide specimen in place, allows for slight rearrangement of location. |
| Iris diaphragm | allows increase or decrease of light through condenser. |
| Condenser | concentrates light rays on specimen. |
| Inclination joint | point of arm adjustment (bends). |
| pillar | connects base to stage. |
| Base | foot of microscope. |
| mirror | reflex light through condenser (we use concave side) |
| substage adjustment lever | substage adjustment lever adjust height of condenser |
| ocular | 10x |
| low power | 10x |
| High Power | 45x |
| oil immersion | 97x |
| total magnification equals | magnification of ocular X magnification of objective lens |
| parfocal | changing requires adjustment with the fine adjustment knob. Always focus on 10x first. |
| when focusing a parfocal microscope how far should you place the microscope from the light source? | 8 to 14 inches. From light source |