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Biology 11 Online
OpenStudy (anonymous):

How does the microscope works ?

OpenStudy (anonymous):

The eyepiece lens (the one closest to your eye) magnifies the image from the objective lens, rather like a magnifying glass. On some microscopes, you can move the eyepiece up and down by turning a wheel. This gives you fine control or "fine tuning" of the focus. You look down on a magnified image of the object.

OpenStudy (anonymous):

@l.ovoxo

OpenStudy (anonymous):

thanks but how about the dissecting microscope ?

OpenStudy (anonymous):

Microscopes are effectively just tubes packed with lenses, curved pieces of glass that bend light rays passing through them. The simplest microscope of all is a magnifying glass made from a single convex lens, which typically magnifies by about 5–10 times. Microscopes used in homes, schools, and professional laboratories are actually compound microscopes and use at least two lenses to produce a magnified image. There's a lens above the object (called the objective lens) and another lens near your eye (called the eyepiece or ocular lens). Each of these may, in fact, be made up of a series of different lenses. Most compound microscopes can magnify by 10, 20, 40, or 100 times, though professional ones can magnify by 1000 times or more. For greater magnification than this, scientists generally use electron microscopes.

OpenStudy (anonymous):

@l.ovoxo

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