3. General Information Used to magnify thin specimens Light must be able to pass through the object Knowing the basic parts will help you better use this tool

4. Part A Part you look through Ocular lens has10x magnification

5. Part B –Part B 1 = Nosepiece Rotates objective lenses Low Power= 4x Scanning objective lens=10x High Power = 40x B1B1

6. Calculating Total Power If eyepiece has a power of 10x and… Objective lens has a power of 10x, the total is… Scanning lens Power: 10 x 10 = 100x High Power: 10 x 40 = 400x

7. Part C Specimen is placed on the stage Specimen held in place by stage clips – part C 1 C1C1

8. Part D When carrying, one hand goes on the arm

9. Part E Large focus knob Makes large adjustments Find every object using the course focus knob first

10. Part F Smaller focus knob Once you found the specimen using the course focus… Use the fine focus to make small adjustments

11. Part G Controls the amount of light that enters a microscope If too dim, open the diaphragm If too bright, close the diaphragm

12. Part H Light source Microscope will not work unless lamp is turned on

13. Part J When carrying one hand is on the arm and… The other is under the base

14. Part I Power cord must be plugged in When finished, neatly wrap the cord around the microscope