Introduction to the Microscope  Care  Parts  Focusing.

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Presentation transcript:

Introduction to the Microscope  Care  Parts  Focusing

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

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

A. Place the slide on the microscope having the specimen in the center B. Use stage clips C. Click nosepiece to the lowest magnification (shortest = 4X) 1.Look into the eyepiece 2.Use the coarse adjustment knob FIRST to locate object

D. Rotate the nosepiece to the low power obj. = 10X 1.Look into the eyepiece 2.Use the course or fine adjustment knob to adjust the clarity The letter “e” Cotton fibers

E. Rotate the nosepiece to the high power obj.= 40X 1. Use the fine adjustment knob ONLY to bring the object into clearer vision

Calculating Total Magnification Each lens MULTIPLIES the magnification –The ocular lens (or eyepiece) magnifies 10X The Scanning (shortest) objective lens magnifies 4X The Low power objective lens magnifies 10X The High power objective lens magnifies 40X