Ocular micrometer

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]

Ocular micrometer

Micrometer Eyepiece

References

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

External links

Laboratory Investigation: The Micrometer Eyepiece

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[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.