ASTM E1951

Standard Guide for Calibrating Reticles and Light Microscope Magnifications

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Organization: ASTM
Publication Date: 1 November 2014
Status: active
Page Count: 7
ICS Code (Optical equipment): 37.020
scope:

This guide covers methods for calculating and calibrating microscope magnifications, photographic magnifications, video monitor magnifications, grain size comparison reticles, and other measuring reticles. Reflected light microscopes are used to characterize material microstructures. Many materials engineering decisions may be based on qualitative and quantitative analyses of a microstructure. It is essential that microscope magnifications and reticle dimensions be accurate. 

The calibration using these methods is only as precise as the measuring devices used. It is recommended that the stage micrometer or scale used in the calibration should be traceable to the National Institute of Standards and Technology (NIST) or a similar organization. 

This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Document History

ASTM E1951
November 1, 2014
Standard Guide for Calibrating Reticles and Light Microscope Magnifications
This guide covers methods for calculating and calibrating microscope magnifications, photographic magnifications, video monitor magnifications, grain size comparison reticles, and other measuring...
April 10, 2002
Standard Guide for Calibrating Reticles and Light Microscope Magnifications
This guide covers methods for calculating and calibrating microscope magnifications, photographic magnifications, video monitor magnifications, grain size comparison reticles, and other measuring...
April 10, 2002
Standard Guide for Calibrating Reticles and Light Microscope Magnifications
This guide covers methods for calculating and calibrating microscope magnifications, photographic magnifications, video monitor magnifications, grain size comparison reticles, and other measuring...
December 10, 2001
Standard Guide for Calibrating Reticles and Light Microscope Magnifications
This guide covers methods for calculating and calibrating microscope magnifications, photographic magnifications, video monitor magnifications, grain size comparison reticles, and other measuring...
May 10, 1998
Standard Guide for Calibrating Reticles and Light Microscope Magnifications
1. Scope 1.1 This guide covers methods for calculating and calibrating microscope magnifications, photographic magnifications, video monitor magnifications, grain size comparison reticles, and other...

References

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