AZAULA_ACTIVITY 2.docx - Activity 2 Microscopy(Worksheet...

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Activity 2 Microscopy (Worksheet) Name: Ma. Joanna Therese P. Azaula Date: _________________ Course/Year/Section: BSN 1-B A. Parts and functions of the brightfield microscope A Eyepiece or ocular lenses : Magnify 10x I Oil-immersion objective lens: Magnifies 100X B Nosepiece: A rotating turret that houses the objective lenses. J High-dry objective lens: Magnifies 40X C Specimen holder : holds specimen K Low-power objective lens: Magnifies 10X D Condenser: Focuses the light onto the specimen L Power switch E Aperture Iris Diaphragm : controls the amount of light that enters the objective M Knob to control the intensity of light F Field iris diaphragm: controls the amount of light leaving the source N Coarse adjustment focusing knob: Makes large changes in focus G Light source O Fine adjustment focusing knob: A. Eyepiece or ocular I. Oil-immersion objective lens B. Nosepiece J. High-dry objective lens K. Low-power objective lens C. Specimen holder L. Power switch M. Knob to control light intensity D. Condense E. Aperture Iris Diaphragm N. Coarse adjustment focusing knob

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