What Is a Pillar of a Microscope?
Although the magnification power of microscopes has changed drastically over the last 500 years, the basic parts of the microscope have remained the same. The microscope "pillar," frequently called the "arm," brings height to the microscope and lends support.
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Description
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The pillar of this microscope is the curved white piece on the left. According to an article from Berkeley University, the microscope pillar is the portion that is mounted to the base and adds support to the unit. It is the main piece of the microscope that stands upright, and is sometimes used for focusing.
Importance
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According to Florida State University pillars are frequently marked with the focusing positions. Moving the pillar up or down adjusts the magnification level; fine-tune focus by twisting the knob.
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History
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This older microscope uses natural light. Microscope models from the 18th century had pillars on hinges that attached to the base. Pillars could be adjusted or tilted in order to better capture the natural light.
Features
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Some models come with a detachable pillar that allows for specimens of microscope pieces to be switched out without moving the condenser.
Expert Insight
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Microscopes are expensive pieces of equipment and should be handled with care. Santa Monica College recommends that microscope users hold the microscope with both hands; support the base with one hand and hold the pillar with your other hand.
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References
Resources
- Photo Credit microscope image by christemo from Fotolia.com microscope image by dead_account from Fotolia.com microscope image by ivan gusev from Fotolia.com
