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Tag Archives: Microscope Calculations

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How to Use a Light Microscope

ScienceBy William Anderson (Schoolworkhelper Editorial Team)August 30, 2010Leave a comment

Always start on low power with a clean slide.  The stage of the microscopes should be down as low as possible. Centre the slide so the specimen is underneath the objective lens. Use the Coarse adjustment knob to obtain a general focus.  You will be slowly raising the stage until a focus is achieved. Use…

Types of Microscopes and Calculations

ScienceBy William Anderson (Schoolworkhelper Editorial Team)July 21, 2010Leave a comment

Transmission Electron Microscope (TEM) -very expensive with 2 million times magnification – specimen must be cut very thinly and must be dead Scanning Electron Microscope (SEM) – produces a 3-D image of the surface – whole specimen must be dead Compound Microscope – the one we use – two lenses illuminated by a light source…

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