Microscope Basics

Ocular lens (Eyepiece)

Ocular lens (Eyepiece) Body Tube

Ocular lens (Eyepiece) Body Tube Nosepiece Holds the HIGH- and LOW- power objective LENSES; can be rotated to change MAGNIFICATION.

Magnification ranges from Ocular lens (Eyepiece) Body Tube Nosepiece Holds the HIGH- and LOW- power objective LENSES; can be rotated to change MAGNIFICATION. OBJECTIVE LENSES Magnification ranges from 10 X to 40 X

Magnification ranges from Ocular lens (Eyepiece) Body Tube Nosepiece Holds the HIGH- and LOW- power objective LENSES; can be rotated to change MAGNIFICATION. OBJECTIVE LENSES Magnification ranges from 10 X to 40 X STAGE CLIPS HOLD the slide in place

Ocular lens (Eyepiece) Body Tube Nosepiece Holds the HIGH- and LOW- power objective LENSES; can be rotated to change MAGNIFICATION. OBJECTIVE LENSES Magnification ranges from 10 X to 40 X STAGE CLIPS HOLD the slide in place DIAPHRAGM Regulates the amount of LIGHT on the specimen

Magnification ranges from Ocular lens (Eyepiece) Body Tube Nosepiece Holds the HIGH- and LOW- power objective LENSES; can be rotated to change MAGNIFICATION. OBJECTIVE LENSES Magnification ranges from 10 X to 40 X STAGE CLIPS HOLD the slide in place DIAPHRAGM Regulates the amount of LIGHT on the specimen LIGHT SOURCE Projects light UPWARDS through the diaphragm, the SPECIMEN, and the LENSES

Magnification ranges from Ocular lens (Eyepiece) Body Tube Nosepiece Holds the HIGH- and LOW- power objective LENSES; can be rotated to change MAGNIFICATION. OBJECTIVE LENSES Magnification ranges from 10 X to 40 X STAGE CLIPS HOLD the slide in place DIAPHRAGM Regulates the amount of LIGHT on the specimen LIGHT SOURCE Projects light UPWARDS through the diaphragm, the SPECIMEN, and the LENSES BASE Supports the MICROSCOPE

Magnification ranges from Ocular lens (Eyepiece) Body Tube Nosepiece Holds the HIGH- and LOW- power objective LENSES; can be rotated to change MAGNIFICATION. OBJECTIVE LENSES Magnification ranges from 10 X to 40 X STAGE CLIPS HOLD the slide in place DIAPHRAGM Regulates the amount of LIGHT on the specimen FINE ADJUSTMENT KNOB Moves the stage slightly to SHARPEN the image LIGHT SOURCE Projects light UPWARDS through the diaphragm, the SPECIMEN, and the LENSES BASE Supports the MICROSCOPE

Magnification ranges from Ocular lens (Eyepiece) Body Tube Nosepiece Holds the HIGH- and LOW- power objective LENSES; can be rotated to change MAGNIFICATION. OBJECTIVE LENSES Magnification ranges from 10 X to 40 X STAGE CLIPS HOLD the slide in place COARSE ADJUSTMENT KNOB Moves the stage up and down for FOCUSING DIAPHRAGM Regulates the amount of LIGHT on the specimen FINE ADJUSTMENT KNOB Moves the stage slightly to SHARPEN the image LIGHT SOURCE Projects light UPWARDS through the diaphragm, the SPECIMEN, and the LENSES BASE Supports the MICROSCOPE

Magnification ranges from Ocular lens (Eyepiece) Body Tube Nosepiece Holds the HIGH- and LOW- power objective LENSES; can be rotated to change MAGNIFICATION. OBJECTIVE LENSES Magnification ranges from 10 X to 40 X STAGE Supports the SLIDE being viewed STAGE CLIPS HOLD the slide in place COARSE ADJUSTMENT KNOB Moves the stage up and down for FOCUSING DIAPHRAGM Regulates the amount of LIGHT on the specimen FINE ADJUSTMENT KNOB Moves the stage slightly to SHARPEN the image LIGHT SOURCE Projects light UPWARDS through the diaphragm, the SPECIMEN, and the LENSES BASE Supports the MICROSCOPE

Magnification ranges from Ocular lens (Eyepiece) Body Tube Nosepiece Holds the HIGH- and LOW- power objective LENSES; can be rotated to change MAGNIFICATION. ARM Used to SUPPORT the microscope when carried OBJECTIVE LENSES Magnification ranges from 10 X to 40 X STAGE Supports the SLIDE being viewed STAGE CLIPS HOLD the slide in place COARSE ADJUSTMENT KNOB Moves the stage up and down for FOCUSING DIAPHRAGM Regulates the amount of LIGHT on the specimen FINE ADJUSTMENT KNOB Moves the stage slightly to SHARPEN the image LIGHT SOURCE Projects light UPWARDS through the diaphragm, the SPECIMEN, and the LENSES BASE Supports the MICROSCOPE

Magnification ranges from Ocular lens (Eyepiece) Body Tube Nosepiece Holds the HIGH- and LOW- power objective LENSES; can be rotated to change MAGNIFICATION. ARM Used to SUPPORT the microscope when carried OBJECTIVE LENSES Magnification ranges from 10 X to 40 X STAGE Supports the SLIDE being viewed STAGE CLIPS HOLD the slide in place COARSE ADJUSTMENT KNOB Moves the stage up and down for FOCUSING DIAPHRAGM Regulates the amount of LIGHT on the specimen FINE ADJUSTMENT KNOB Moves the stage slightly to SHARPEN the image LIGHT SOURCE Projects light UPWARDS through the diaphragm, the SPECIMEN, and the LENSES BASE Supports the MICROSCOPE

What happens as the power of magnification increases? Power = 10 x 4 = 40 Power = 10 x 10 = 100 Power = 10 x 40 = 400