The compound light microscope is the type of microscope most often used in science classrooms. It is also called a student microscope.
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The compound light microscope
A compound light microscope is a type of optical microscope that uses two or more lenses to magnify an object. It is the most common type of microscope used in science classes. Most compound microscopes have three or four lenses, with the shortest lens (the ocular lens) located closest to your eye. The next lens (the objective lens) is located beneath the ocular lens and is used to magnify the specimen. The last lens (the condenser lens) is located beneath the objective lens and is used to focus light on the specimen. Compound microscopes can be either monocular (one eyepiece) or binocular (two eyepieces).
The stereomicroscope, also known as a dissecting microscope, is a type of compound microscope commonly used in science classrooms. It is so named because it produces a three-dimensional image of the specimen, as opposed to the flat image produced by a light microscope.
The stereomicroscope consists of two eyepieces, each of which contains a lens, and an objective lens located below the specimen stage. The specimen is illuminated from above by either natural light or an attached light source.
The stereomicroscope is frequently used to observe living specimens, such as plants and animals, as well as small objects that cannot be seen clearly with a light microscope. Its ability to magnify objects up to about 50 times makes it ideal for dissections and other detailed work.
The phase contrast microscope
The phase contrast microscope is the type of microscope most often used in science classrooms. This microscope uses a special light source and lenses to make objects appear bright against a dark background. This makes it possible to see very small objects, such as bacteria, that would otherwise be difficult to see.
The fluorescence microscope
In most science classes, the fluorescence microscope is used. This microscope uses light to illuminate specimens and produces images that can be viewed on a computer screen or printed on a printer. The fluorescence microscope is different from the light microscope because it uses an ultraviolet (UV) light source to make the specimen appear brighter. The UV light causes the specimen to emit a different color of light than the color of light that is used to illuminate it. This difference in color makes it possible to see details that would not be visible with a light microscope.
The electron microscope
The electron microscope is the one most commonly used in science classes. It is capable of magnifying objects up to 2,000 times their actual size. This makes it possible to see very small features that would be invisible to the naked eye.
The scanning tunneling microscope
The scanning tunneling microscope is an instrument for imaging surfaces at the atomic level. Its development in 1981 earned its inventors, Gerd Binnig and Heinrich Rohrer, the Nobel Prize in Physics in 1986. The microscope is used in a wide variety of applications, including materials science, nanotechnology, and semiconductor manufacturing.
The atomic force microscope
The atomic force microscope (AFM) is a type of scanning tunneling microscope (STM). It is used to obtain two-dimensional images with resolution in the nanometer range.
The scanning electron microscope
The scanning electron microscope is the type of microscope that is most commonly used in science classrooms. This type of microscope uses a beam of electrons to create an image of the object that is being magnified. The advantage of using a scanning electron microscope is that it can provide a very high level of magnification, often up to 50,000 times or more.
The transmission electron microscope
The transmission electron microscope, or TEM, uses a series of electromagnetic lenses to focus a beam of electrons onto a specimen, magnifying the image by up to several million times. The resolution of a TEM can be as high as 0.2 nanometers, making it ideal for studying the structure of viruses, proteins, and other nano-scale objects. TEMs are also used in materials science and engineering to study the microstructure of metals and other materials.
The scanning tunneling microscope
The scanning tunneling microscope is the type of microscope most often used in science classes. This microscope uses a sharp needle to scan the surface of an object, and then create a 3-D image of that object.