Microscope Parts and Functions

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Front Back
Microscope
Used to view tissue and cellular structures that too small for examination with the naked eye.
Ocular lenses ( eyepiece)
The lens the viwer looks throgh to see the specimen. it usually contains a 10X or 15X power lens.
Diopter adjustment
Useful as a means to change focus one one eyepiece so as to correct for any difference in vision between your two eyes.
Arm
The arm conects the body tube to the base of the microscope.
Mechanical Stage Control
These knobs move the stage left and right or up and down.
Fine adjustment (small)
Fine tunes the focus and increases the detail of the specimen.
Coarse adjustment ( large)
Brings the specimen into general focus
Body tuve ( Head)
Conects the eyepiece to the objective lenses.
Rotating Nosepiece
A rotating turrent that houses the objective lenses. the viwer spins the nosepiece to select different objective lenses.
Objective lenses
One of the most important parts of the compound microscope, as they are the lenses closest to the specimen.
Specimen or slide
It is the object being examined.
Stage
The flat plataform where the slide is placed.
Mechanical Stage
Holds the slide securely and is used to position the object to viwed directly over the stage aperture.
Aperture
The hole in the middle of the stage that allows the light from the iluminator to reach the specimen.
On/ Off swich
This swich on the base of the microscope turns the iluminator off and on.