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Microscopy
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Microscopy Info |
Microscopy in Laboratories |
Microscopy for Students |
Microscopy in Workshops |
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The observation of very small objects with extensive magnification is called microscopy. The needed device is called a microscope. In fields of medicine, microscopy is mainly used to observe tissues, cells, blood components and micro-organisms. Usually, certain preparative processes are required (e.g. sectioning, dyeing techniques) before observing objects under a microscope in order to maintain a clearer view and distinction of the cell structures. In conventional microscopy – light microscopy – an extensive magnification is achieved via a two-stage imaging process of the object that is being scanned. In a first step, this type of microscopy creates a reversed, realistic and magnified intermediate image by means of an objective lens, before the ocular, which the observer looks through, magnifies the intermediate image again in a second step. Thus, the collective magnification is the product of magnification through the lens and the magnification through the ocular. If a very small object is being examined or a very large magnification is required, an immersion objective is used. Additionally, a droplet of oil is applied on the microscope slide, so that the interval between object and objective is reduced and the resolution is optimized. With this technique, objects with a size of 200 nm can be made observable. For further questions about microscopy, please read our technical data or call our hotline:
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