Optical microscope: Difference between revisions

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Small typo, Microscopes = Microscope on image
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light always comes though the objective lense in an optical microscope.
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The object is placed on a '''stage''' and may be directly viewed through one or two [[eyepiece]]s on the microscope. In high-power microscopes, both eyepieces typically show the same image, but with a [[stereo microscope]], slightly different images are used to create a 3-D effect. A camera is typically used to capture the image ([[micrograph]]).
 
The sample can be lit in a variety of ways. Transparent objects can be lit from below and solid objects can be litmade withvisible using light coming throughfrom below ([[Bright-field microscopy|bright field]]) or around ([[Dark-field microscopy|dark field]]) the objective lens. [[Polarised light]] may be used to determine crystal orientation of metallic objects. [[Phase-contrast imaging]] can be used to increase image contrast by highlighting small details of differing refractive index.
 
A range of [[Objective (optics)|objective]] lenses with different magnification are usually provided mounted on a turret, allowing them to be rotated into place and providing an ability to zoom-in. The maximum magnification power of optical microscopes is typically limited to around 1000x because of the limited resolving power of visible light. While larger magnifications are possible no additional details of the object are resolved.