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Science 8 Cells Unit Test Part 3: Microscope Parts and Functions

Terms in this set (12)

Eye Piece (ocular lens)
Magnifies the image produced by the objective lens usually by 5x or 10x
Body tube
supports the revolving nose piece and ocular lens
allows light to pass from the objective lens up through the ocular lens.
Coarse Focus Knob
moves the stage up and down for clear focusing off the specimen
Fine Focus Knob
provides a sharper focus specimen under the medium and high power objective lenses.
Revolving Nose Piece
Holds the three objective lenses and rotates them allowing the required lens to be put in position over the specimen
Objective Lens
1. 4x red ring
2. 10x yellow ring
3. 40x blue ring
arm
Supports the body tube
Diaphragm
Different sized openings control the amount of light passing through the specimen
Stage
Supports the microscope slide and is the central opening allows light to pass through the specimen
Stage Clips
Secure the position of the slide on the stage
Mirror Light Source
Produces light so specimen can be seen
Base
Supports the microscope
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