Chapter 4

Question 1

Objectice lense?

Answer 1

main lenses to maginify and examine

forms magnified image of object

Question 2

Revolving nosepiece?

Answer 2

contains objective lenses

rotates so you can choose which lense/magnification

Question 3

eyepiece (ocular) lense?

Answer 3

found closest to eye

further magnifies and allows to observe more clearly

Question 4

body tube?

Answer 4

connect ocular to objective lenses

further magnifies and allows to observe more clearly

Question 5

Arm?

Answer 5

support tube and connect to base

part you hold when carry it

Question 6

Mechanical stage?

Answer 6

platform where object is places onto
support slides
hole, light shine through specimen

Question 7

Stage clips?

Answer 7

hold specimen slide firmly in place

needed if microscope tilted

Question 8

Iris diaphragm?

Answer 8

rotating part under stage

enables user to regulate and adjust amount of light focused under specimen

Question 9

Illuminator?

Answer 9

light source located at base

some have mirrors

Question 10

Base?

Answer 10

keeps steady and prevents wobbling
acts as stand and support
used with and high power objective lenses

Question 11

course adjustment knob?

Answer 11

moves tube and lense/stage up and down quickly to put specimen in position to be nearly focused
-used with low power objective lenses

Question 12

Fine adjustment knob?

Answer 12

moves tube and lense/stage and and down slower to put specimen in position to be perfectly in focus.
-used with medium and high power objective lenses