Preparing a slide Before adding the sample, clean the slide with ethanol and cotton wool. Hold at a 45° angle Lower slowly to avoid forming air bubbles.

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Presentation transcript:

Preparing a slide Before adding the sample, clean the slide with ethanol and cotton wool. Hold at a 45° angle Lower slowly to avoid forming air bubbles Clean the coverslip with the ethanol and cotton wool Using the pipette, place one drop of pond water on the slide.

Guidelines for use Always carry with two hands Only use lens paper for cleaning Do not force the knobs Always store covered Keep objects clear of the desk and cords Never use the coarse adjustment knob with the high power objective lens in place

Magnification Your microscope has 3 magnifications: – Scanning, low and high Each objective will have the magnification written. In addition to this the ocular lens (eyepiece) has a magnification. The total magnification is the ocular x objective