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17 terms

Microscope Parts - Functions

Trinity Christian Academy Pre-AP Bio
STUDY
PLAY
Ocular Lense
Contains lens to increase magnification (usually 10x)
Arm
connects body tube to base where stage and adjustment knobs are located
Coarse Adjustment Knob
moves stage up and down approximately to correct distance
Fine Adjustment Knob
Permits finer focusing by moving the stage in smaller increments
Base
supports microscope
Revolving Nosepiece
Revolves to allow changing various objectives
Objectives
Contains Lenses of different magnification (usually 4x, 10x, 40/43x)
Stage Clips
Holds slide in place
Stage
Holds microscope slide; has opening for light to pass through
Diaphram
Regulates the amount of light going through stage
Light Source
Directs light upward through diaphram
Body Tube
Tube that supports eyepiece and connects it to objectives
Move slide right -- view goes _____
left
Move slide left -- view goes _____
right
finding total magnification
ocular power X objective power
1mm = ____µm
1000µm (micrometers)
how to find something within the field of view
find size of field of view, then estimate how many times an object could fit across it -- divide field of view size by that #