Dissecting microscopes are designed to examine three-dimensional objects and are commonly used for dissection. They have two lens arrays that create a stereoscopic image and are used to examine a variety of objects. They have a large stage and two eyepieces, with some models having a third lens for taking videos or photographs. They are available at various levels of quality and are used for examining archaeological artifacts, geological specimens, and other objects. Cheap microscopes usually have poor quality components.
A dissecting microscope is a microscope with a design that facilitates the magnification and examination of three-dimensional objects, rather than specimens prepared on slides. As the name suggests, dissecting microscopes are commonly used in the dissection of specimens, but they also have a number of other functions. Many scientific supply companies sell these types of microscopes at various levels of quality, and you can also order them directly from the manufacturers.
This design is sometimes called a stereoscope, due to the way the lenses work. Unlike a compound microscope, which provides a very high level of magnification for two-dimensional objects, a dissecting microscope has two lens arrays that are aligned to create a stereoscopic or three-dimensional image. This allows the user to clearly view a three-dimensional object on the microscope stage.
The stage of a dissecting microscope is usually large and may have a depression for fixing specimens. Magnification can be fixed or zoomed with style, and people typically cannot achieve very high magnification with this type of microscope. Illumination is provided primarily through reflected light bouncing off the object, rather than transmitted light from below the stage.
There are two eyepieces on a dissecting microscope, which connect to the two lens arrays. Some models may have a third lens for the purpose of taking videos or photographs. This can also be used to create projections that can be used for classroom demonstrations. In a science lab, for example, the teacher might show students how to perform a dissection by demonstrating one on a stereoscope that has a video feed connected to a projector so students can clearly see the process.
In addition to being used for dissection, these microscopes can also be used to examine archaeological artifacts, geological specimens, and a wide variety of other objects. In all cases, the microscope creates magnifications so that people can see the object in detail, without going too deep. For higher magnification levels, you will need to prepare a sample of the object on a glass slide for viewing in a compound microscope or other scientific equipment.
As with all microscopes, the quality of this style can vary greatly, depending on the components, especially the lenses. People may pay a little or a lot for a dissecting microscope, depending on their personal tastes, but they should be aware that people who buy cheap microscopes usually get what they pay for.
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