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Label the parts on your microscope picture.

Label the parts on your microscope picture. Eyepiece/ocular lens magnification = 10X. Label the parts on your microscope picture. Eyepiece/ocular lens magnification = 10X. Arm- Support. Label the parts on your microscope picture. Eyepiece/ocular lens magnification = 10X. Arm- Support.

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Label the parts on your microscope picture.

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  1. Label the parts on your microscope picture. Eyepiece/ocularlensmagnification = 10X

  2. Label the parts on your microscope picture. Eyepiece/ocularlensmagnification = 10X Arm-Support

  3. Label the parts on your microscope picture. Eyepiece/ocularlensmagnification = 10X Arm-Support Stage - support

  4. Label the parts on your microscope picture. Eyepiece/ocularlensmagnification = 10X Arm-Support Stage - support Coarse adjust – general focus

  5. Label the parts on your microscope picture. Eyepiece/ocularlensmagnification = 10X Arm-Support Stage - support Coarse adjust – general focus Fine Focus –high power focus

  6. Label the parts on your microscope picture. Eyepiece/ocularlensmagnification = 10X Arm-Support Stage - support Coarse adjust – general focus Fine Focus –high power focus Base -support

  7. Label the parts on your microscope picture. Eyepiece/ocularlensmagnification = 10X Arm-Support Stage - support Coarse adjust – general focus Fine Focus –high power focus Light source Base -support

  8. Label the parts on your microscope picture. Eyepiece/ocularlensmagnification = 10X Arm-Support Stage - support Coarse adjust – general focus Diaphragm – adjusts amount of light Fine Focus –high power focus Light source Base -support

  9. Label the parts on your microscope picture. Eyepiece/ocularlensmagnification = 10X Arm-Support Stage - support Stage clips – holds slide Coarse adjust – general focus Diaphragm – adjusts amount of light Fine Focus –high power focus Light source Base -support

  10. Label the parts on your microscope picture. Eyepiece/ocularlensmagnification = 10X Arm-Support Objective Lenses Scanning = 4X Low Power = 10X High power = 40X Stage - support Stage clips – holds slide Coarse adjust – general focus Diaphragm – adjusts amount of light Fine Focus –high power focus Light source Base -support

  11. Label the parts on your microscope picture. Eyepiece/ocularlensmagnification = 10X Revolving nosepiece Arm-Support Objective Lenses Scanning = 4X Low Power = 10X High power = 40X Stage - support Stage clips – holds slide Coarse adjust – general focus Diaphragm – adjusts amount of light Fine Focus –high power focus Light source Base -support

  12. Label the parts on your microscope picture. Eyepiece/ocularlensmagnification = 10X Revolving nosepiece Arm-Support Objective Lenses Scanning = 4X Low Power = 10X High power = 40X Stage - support Stage clips – holds slide Coarse adjust – general focus Diaphragm – adjusts amount of light Fine Focus –high power focus Light source Base -support

  13. Eyepiece Objective Lens Magnification Scanning lens (red) 10X Low Power (yellow) 10X High Power (blue) 10X • Magnification of a Compound Microscope • Because you are looking through multiple lenses the lenses have a “compounding” effect. • The eyepiece always magnifies 10X

  14. Eyepiece Objective Lens Magnification Scanning lens (red) 10X 4X Low Power (yellow) 10X 10X High Power (blue) 10X 40X • Magnification of a Compound Microscope • Each of the objective lenses have their own magnification

  15. Eyepiece Objective Lens Magnification Scanning lens (red) 10X 4X Low Power (yellow) 10X 10X 100X High Power (blue) 10X 40X 400X • Magnification of a Compound Microscope • You then multiply the eyepiece with the objective lens to determine the total magnification 40X

  16. General Procedures • ·Make sure all backpacks are out of the aisles before you get a microscope! Always carry the microscope with one hand on the Arm and one hand on the Base. • ·Wear your glasses, the microscope will focus to your eyesight! • ·Keep both eyes open, your brain will learn to ignore the other eye.

  17. Focusing a Specimen • Always start on low power or scanning.

  18. Focusing a Specimen • Always start on low power or scanning. • Focus the specimen using the course adjust.

  19. Focusing a Specimen • Always start on low power or scanning. • Focus the specimen using the course adjust. • Re-center. If high power is needed, turn only after re-centering!

  20. Focusing a Specimen • Always start on low power or scanning. • Focus the specimen using the course adjust. • Re-center. If high power is needed, turn only after re-centering! • Now use the FINE FOCUS ONLY for your final adjustments.

  21. Care of microscopes • A. You must always keep the microscope clean and dry.B. When a slide is focused under the high power objective, it should not be pulled or removed.C. The microscope lenses must be cleaned by lens paper after each time using the microscope. Xylene can be used as a solvent for erasing the dusts of the lenses.

  22. Care of microscopes • D. When you are going to view specimens first view under the low power objective lens, then bring the specimen into the focus by coarse adjustment screw. After that if you want to get a more magnified view then rotate the nose piece to the high power objective lens and then bring the specimen into focus by using the fine adjustment screw.E. Avoid lowering the objective lens into the slide, especially if there is not a coverslip. Even when using a coverslip, be careful and mindful of you raising the slide to far up and crushing the coverslip and damaging both the slide and microscope.

  23. Care of microscopes • F. Never remove the slide from the stage when it is focused under the high power objective.G. When the use is over, clean all lenses with lens paper and carefully (with two hands) replace microscope on shelf.

  24. Care of microscopes • Always carry microscope with two hands. • Store microscope with scan strength (lowest power) objective in place.

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