Microscope use

Magnifies the image (usually 10x) and you look into the scope here.

• Eyepiece/ Ocular
• arm
• low power objective
• fine adjustment

Mid-length, 10x magnification

• revolving nosepiece
• Low power objective
• diaphragm
• high power objective

Secures the slide in position for holding and viewing

• stage
• light source
• stage clips
• coarse adjustment knob

Moves body tube up and down (and stage) to allow gross focusing of microscope image

• coarse adjustment
• fine adjustment
• scanning objective
• low power objective

Moves body tube slightly to sharpen the focus of the image

• arm
• coarse adjustment
• eyepiece/ ocular
• fine adjustment

Holds the objectives, used to switch between magnifications (low, high, and scanning)

• revolving nosepiece
• stage
• arm
• base

Longest objective (40x); Has the smallest field of view; Most detail; *Never use the coarse adjustment knob*

• low power objective
• high power objective
• scanning objective
• eyepiece/ ocular

Shortest objective (4x); largest field of vie; least detail

• low power objective
• high power objective
• scanning objective
• eyepiece/ ocular

Supports and holds the slide

• eyepiece/ ocular
• arm
• base
• stage

Controls the amount of light allowed to pass through the specimen

• diaphragm
• light source
• stage clips
• fine adjustment