The Microscope Flashcards
1
Q
Tube
A
Separates ocular lens from the objective lens
2
Q
Revolving nosepiece
A
Holds the objective lenses
3
Q
Objective lenses
A
Magnify specimens by 4, 10, or 40
4
Q
Stage
A
Supports slide for observation
5
Q
Diaphragm
A
Allows light to pass through the specimen
6
Q
Condenser lens
A
Focuses light onto the specimen
7
Q
Lamp
A
Supplies the light that passes through the specimen
8
Q
Base
A
Provides a stable platform for the microscope
9
Q
Fine adjustment knob
A
Sharpens an image
10
Q
Coarse adjustment knob
A
Moves the stage up or down to focus on the specimen
11
Q
Stage clips
A
Hold the slide in position on the stage
12
Q
Arm
A
Holds the tube in place and is used to carry the microscope
13
Q
Eyepiece/Ocular lens
A
Magnifies specimen by 10 times
14
Q
Magnification vs Resolution
A
- magnification is the amount that a photo is enlarged
* resolution is the ability to see clear detail in an image
15
Q
Contrast
A
- contrast enhances the image so that it may be distinguished from the background
- to increase contrast, scientists use stains, such as iodine
