Microscope Basics

Match the parts of the microscope

• Objective lens

• 3

• Coarse Adjustment

• 4

• Fine Adjustment

• 1

• Ocular Lens

• 2

When looking at a specimen on your slide, you should always start with the

• low objective lens
• medium objective lens
• high objective lens
• super extra high power lens

The _______focuses the image under low power.

• revolving nosepiece
• fine adjustment knob
• coarse adjustment knob
• arm/neck

The__________ sharpens the image under high magnification.

• the diaphragm
• fine adjustment knob
• coarse adjustment knob
• the ocular

What power do you start with when using a microscope?

• High power
• Medium power
• Low power
• Extra high power

Always begin working with the LOW POWER (shortest) objective first

• True

• False

Never use this knob on high power.

• Fine
• Large
• Coarse
• Small

When first looking at a specimen you would begin with the

(a)   .

• low power or 4X
• high power 40X

When first focusing a specimen on low power, which adjustment know do you use?

• 1: Fine Adjustment

• 1: Course Adjustment

• 2: Fine Adjustment

• 2: Course Adjustment

When you are on the medium or high power objective which adjustment do you use?

• 1: Fine Adjustment

• 1: Course Adjustment

• 2: Fine Adjustment

• 2: Course Adjustment