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LENSES

 
Condensing Optics
    G: 3 of 14
 

In microscopy, lenses are often used to demagnify (make smaller) the diameter of the beam. In this case it is more appropriate to draw the ray diagram as shown here.

Try moving the object (red bar), and see how the magnification of the image changes.

Where does the object have to be to achieve a magnification of exactly one?

 
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  Electron-atom interactions | Electron gun | Lenses
 

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