Unit #4 Introduction to the Microscope  Care  Parts  Focusing Interactive.

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Presentation transcript:

Unit #4 Introduction to the Microscope  Care  Parts  Focusing Interactive

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 Store on scanning objective (4x)

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

arm – this attaches the eyepiece and body tube to the base. base – this supports the microscope. body tube - the tube that supports the eyepiece coarse focus adjustment - a knob that makes large adjustments to the focus diaphragm - an adjustable opening under the stage, allowing different amounts of light onto the stage eyepiece – where you place your eye

fine focus adjustment - a knob that makes small adjustments to the focus (it is often smaller than the coarse focus knob). high-power objective -a large lens with high magnifying power low-power objective – a small lens with low magnifying power mirror (or light source) - this directs light upwards onto the slide revolving nosepiece - the rotating device that holds the objectives (lenses). stage –the platform on which a slide is placed stage clips - metal clips that hold a slide securely onto the stage

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 low power Click the nosepiece to the longest objective Do NOT use the Coarse Focusing Knob Use the Fine Focus Knob What can you find on your slide?