6.
Begin with the stage platform at its lowest position. Rotate the nosepiece to
ensure 4X objective lens is being used. Turn on the lower LED illuminator to
shine the light up through the stage.
7.
Place the onion cell slide onto the stage of the microscope.
8.
Looking through the eyepiece SLOWLY turn the focusing knob to let 4X
objective get closer to the slides until an image comes into focus.
9.
Increase the magnification and repeat the process above; please allow enough
space between objectives and specimen.
In the picture below, the dark blue images are the chromosomes of the onion root.
In some cells you can see the chromosomes being pulled apart to create the new
cells.
10
Accessories
This model
My First Lab
TM
Duo-Scope
is equipped with the following
accessories:
•
5 Blank Slides
•
4 Prepared Slides
•
1 Double Well Slide
•
Slide Labels
•
Cover Glass
•
Plastic Dropper
•
2 Bottles of non-toxic “stain” (red and blue)
•
Forceps
•
Lens Paper
•
Test Tube
•
Petri Dish
Everything is ready, so let’s start the scientific study and adventure
.
Note:
*Adult supervision required for experiments and slide preparation.*
3
Save the plastic bag the microscope comes packed in to use
as a dust cover when your microscope is not in use.
