Ocular micrometer

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File:Ocular micrometer 2.jpg
An Ocular micrometer
File:Microscopic Field showing an Ocular Micrometer scale.jpg
Microscopic Field showing an Ocular Micrometer scale
File:Stage Micrometer 01.jpg
Stage Micrometer used in microscopic calibration
File:Merook.JPG
Ocular micrometer
File:Measuring eyepiece.JPG
Micrometer Eyepiece
File:Stage micrometer divisions as seen under microscope.jpg
Stage micrometer divisions as seen under microscope. It is used to calibrate the ocular micrometer. Smallest division = 0.01mm or 10 microns.

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]

See also

References

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External links

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