So how does an SEM change the magnification of an image?

By reducing the size of the area scanned by the scan coils, the SEM changes the magnification of the image.

The previous pages have given a simplified version as to how an SEM works and the instruments advantages over light microscopy. It is suggested that you click on the EDX analysis button to learn about elemental X-ray analysis which can be simultaneously performed when imaging a sample in an SEM.

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