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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 |