Lab 1: Part 2: Introduction To The Microscope

Question 1

Base

Answer 1

supports the instrument

Question 2

Arm

Answer 2

connects the base to the body, allows us to carry the instrument

Question 3

Oculars = Eyepieces

Answer 3

series of lenses to look through to view the specimen. 10X (magnifies the specimen 10 times the normal size)

Question 4

Revolving nosepiece

Answer 4

rotates to change objective lenses (holds the objectives)

Question 5

Scanning Power Objective

Answer 5

• red
• smallest
• 4X lens (total magnification is the ocular magnification times the objective magnification, therefore 40X)

Question 6

Low Power Objective

Answer 6

• yellow

- 10X lens (total magnification: 100X)

Question 7

High-Dry Power Objective

Answer 7

• blue
• biggest
• 40X lens (total magnification: 400X)

Question 8

Stage

Answer 8

holds and supports microscope slide/specimen

Question 9

Diaphragm = Iris Diaphragm

Answer 9

regulates the amount of light used to view the specimen

Question 10

Illuminator = Light Source

Answer 10

contains light; shines light through the specimen

Question 11

Slide Position Adjustment Knob

Answer 11

adjusts the position of the slide on the stage (infront of coarse adjustment knob)

Question 12

Coarse Adjustment knob = Coarse Focus Knob

Answer 12

used for initial focusing on scanning power objective lens (bigger knob)

Question 13

Fine Adjustment Knob

Answer 13

used for final focusing (smaller knob) (attached to coarse adjustment knob)