Biology Parts of a compound light microscope – Flashcards
Unlock all answers in this set
Unlock answersquestion
compound Light microscope
answer
Allows light to pass through a specimen and uses tow lenses to form an image.
question
Objective lens
answer
First lens, located just above the specimen. This lens enlarges the image of the specimen.
question
Ocular lens
(Eyepiece)
answer
Second lens, magnifies the image still further.The lens the viewer looks through to see the specimen. The eyepiece usually contains a 10X or 15X power lens.
question
Body tube (Head)
answer
The body tube connects the eyepiece to the objective lenses.
question
Arm
answer
The arm connects the body tube to the base of the microscope
question
Coarse adjustment
answer
Brings the specimen into general focus.
question
Fine adjustment
answer
Fine tunes the focus and increases the detail of the specimen.
question
Nosepiece
answer
A rotating turret that houses the objective lenses. The viewer spins the nosepiece to select different objective lenses.
question
Specimen or slide
answer
The specimen is the object being examined. Most specimens are mounted on slides, flat rectangles of thin glass. - See more at:
question
Stage
answer
The flat platform where the slide is placed.
question
Stage clips
answer
Metal clips that hold the slide in place.
question
Aperture
answer
The hole in the middle of the stage that allows light from the illuminator to reach the specimen.
question
On/off switch
answer
This switch on the base of the microscope turns the illuminator off and on.
question
Illumination
answer
The light source for a microscope.
question
Base
answer
The base supports the microscope and it's where illuminator is located.
