Identify Components, Proper Use, and Care of Light Microscopes

Hold the slide in place on the stage

• Stage
• Stage Clips
• Aperature
• Light Source

Holds objective lenses; Rotates to change objectives

• Arm
• Base
• Revolving Nosepiece
• Diaphragm

Moves the stage slightly to sharpen the image

• Body Tube
• Course Focus Knob
• Aperature
• Fine Focus Knob

Lens used to view specimen; also called eyepiece

• Scanning Lens
• Objective Lens
• Ocular Lens
• Illuminator

Place where slide is placed on while being viewed

• Base
• Stage Clips
• Diaphragm
• Stage

Moves stage up and down for focusing; large amounts

• Fine Focus Knob
• Large Focus Knob
• Course Focus Knob
• Small Focus Knob

What will be the total magnification if the ocular lens is 10X and the objective lens is 40X?

• 40X
• 10X
• 100X
• 400X

What will be the total magnification if the ocular lens is 10X and the objective lens is 10X?

• 10X
• 100X
• 1000X
• 1X

Number 3

• Ocular Lens
• Objective Lens
• Diaphragm
• Base

Number 4

• Stages
• Arms
• Stage Clips
• Ocular Lens