Microscopes

• Nose piece

• stage control knob

• Base

• Light switch

• stage clip

• illuminator

• diopter adjustment

• diaphragm

• Eye piece, also known as ___

• head

• Arm

• fine adjustment knob

• mechanical stage

• coarse adjustment knob

• slide

• brightness adjustment

• eye piece tube

• condenser

• aperture

• objective lens

Objective lens are:

Ocular lens (the eyepiece) is __

Total magnification =

Objective lens 

• Scanning (4X)

• Low power (10X)

• High power (40X)

• Oil immersion lens (100x)

Ocular lens (the eyepiece) – 10X

Total magnification = 10 (ocular lens) x objective lens (4, 10, 40,100)

When do you use the 2 adjustment knobs?

• Coarse adjustment knob is only used with scanning (4x) and low power (10x)

• Fine adjustment knob is used with higher lens

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