What are the Different Types of Microscopes?
Microscopes are used both in classrooms and in making important evaluations in medical laboratories and other microtechnologies. The different types of microscopes are designed for these different uses, and therefore will vary based on their resolution, magnification, depth of field, field of view, illumination method, degree of automation, and type of image they produce. There are essentially three categories of microscopes: electron, confocal, and compound. Electron microscopes are extremely sophisticated types of magnification devices. These are used in archaeology, medicine, and geology to look at surfaces and layers of objecs such as organs and rocks. Instead of using light, these devices point a stream of electrons at the specimen and attached computers analyze how the electrons are scattered by the material. The specimen must be suspended within a vacuum chamber. With transmission electron microscopes, a scientist gets a view of 2-D slices of the object at different depths. Of c
Basically, there are three types of microscopes: electron, confocal, and compound. Electron microscopes are sophisticated magnifying devices using a high energetic beam of electrons. They can be further classified as scanning electron microscope (SEM) and transmission electron microscope (TEM). The confocal microscopes use a laser beam to illuminate the objects. Compound microscopes are the simplest type of microscopes. In this, the object or the specimen is illuminated using bulb light or light from the sun. Depending on specific applications, you can choose from portable student microscopes, surgical microscopes, metallurgical microscopes, measuring microscopes and industrial microscopes.
Despite what the first link below states I suggest the following: Transmission and reflection. Optical microscopes can be either of these two. There are many kinds of optical microscopes, including confocal ones – see first link. Electron microscopes could often be described as reflection microscopes, but there are also forms that are transmission microscopes. The second link looks much more promising, and has links on it. The third link is the best for theory and explanations.
