2. Eye Piece
Body Tube
Nose Piece
Arm
Objective Lens
Objective Lens
Stage
Objective Lens
Slide Clips
Coarse Focus
Diaphragm
Fine Focus
Light Source
Base

3. Focus a microscope Copy this to the back of your microscope diagram
Always set scope to low power
Visually line the slide with the lens
Focus on low power using the coarse adjustment
Move slide so object is in the center of the field of vision
Change to medium power and refocus using fine adjustment
Make sure object is in the center of field of vision.
Change to high power and refocus using the fine adjustment

4. The eye piece lens of our microscopes have a 10x magnification.
Determine total magnification (also on back of your microscope diagram)
Multiply the eye piece lens magnification by the objective magnification
The eye piece lens of our microscopes have a 10x magnification.
The objective lens have 4x,10x and 40x magnification.
Example: 10 x 40 = 400 total magnification

5. Making a microscope slide Copy on back of microscope diagram
Procedure:
Use the eyedropper to place a drop of water on the center of a microscope slide
Use the tweezers to position the letter "e" in the center of the drop.
Holding the cover slip at a 45 degree angle, lower it slowly over the drop of water.

6. Watch Instructor Demo