Ocular micrometer
Micrometer Eyepiece

An ocular micrometer or eyepiece micrometer is a glass disk, engraved with a ruled scale, that fits in an eyepiece of a microscope,[1][2] which is used to measure the size of microscopic objects through magnification under a microscope. When the eyepiece micrometer is calibrated using a stage micrometer, the length of the divisions on the scale depends on the degree of magnification.[3]

References

  1. ↑ Gunasekaran, P. (2007). Laboratory Manual In Microbiology. New Age International. p. 22. ISBN 978-81-224-0783-9.
  2. ↑ Aneja, K. R. (2007). Experiments In Microbiology, Plant Pathology And Biotechnology. New Age International. p. 61. ISBN 978-81-224-1494-3.
  3. ↑ "Microscope Calibration | Microscope World Resources". www.microscopeworld.com. Archived from the original on January 27, 2023. Retrieved January 27, 2023.


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