Introduction to the Microscope  Care  Parts  Focusing.

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Presentation transcript:

Introduction to the Microscope  Care  Parts  Focusing

Why Use a Microscope? We can see better details with higher the powers of magnification, but we cannot see as much of the image.

We can See Tiny Objects Like These Blood Cells

Eyepiece Body Tube Revolving Nosepiece Arm Objective Lens Stage Stage Clips Coarse Focus Fine Focus Base Diaphragm Light

Always carry with 2 hands Only use lens paper for cleaning Do not force knobs Always store covered Keep objects clear of desk and cords

Objective Magnification Ocular lens Total Magnification Scanning Objective 4x10x40x Low Power Objective 10x 100x High Power Objective 40x10x400x Magnification Your microscope has 3 magnifications: Scanning (lowest power), Low and High. Each objective will have written the magnification. In addition to this, the ocular lens (eyepiece) has a magnification. The total magnification is the ocular lens power times the objective power.

Place the Slide on the Microscope Use Stage Clips Click Nosepiece to the lowest (shortest) setting Look into the Eyepiece Use the Coarse Focus

Follow steps to focus using the scanning objective with the lowest power. Click the nosepiece to the longest objective Do NOT use the Coarse Focusing Knob Use the Fine Focus Knob to bring the slide