ASTM E312 - 06(2011)

    Standard Practice for Description and Selection of Conditions for Photographing Specimens Using Analog (Film) Cameras and Digital Still Cameras (DSC)

    Active Standard ASTM E312 | Developed by Subcommittee: E12.03

    Book of Standards Volume: 06.01


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    Significance and Use

    This practice provides a basis for choosing, specifying, recording, communicating, and standardizing the conditions and processes that determine the nature of a photographic image of a specimen. Its provisions are particularly useful when the photographic image is used to preserve or communicate the appearance of a specimen involved in an aging or stressing test that affects its appearance. It is often useful to compare photographs made under identical conditions before and after a test to illustrate a change in appearance.

    This practice deals with specific details of camera technique and the photographic process, so it will probably be best understood and implemented by a technical photographer or someone trained in photographic science. The person requiring the photograph must clearly indicate to the photographer what features of the specimen are of technical interest, so he may use techniques that make those features clearly evident in the photograph, without misrepresenting the appearance of the specimen.

    This practice provides useful guidance on presenting photographs for viewing, providing an indication of dimensions or scale, indicating the orientation of the picture, and referring to particular points on a picture. These techniques should be useful to those writing technical literature involving illustrations of the appearance of specimens. The methods of this practice should contribute materially to the accuracy and precision of other standards that rely on pictures to indicate various grades of some attribute of appearance, such as blistering or cracking.

    For acceptance testing, manufacturing control, and regulatory purposes, it is desirable to employ measurement, but in those cases where there are no methods of measuring the attribute of appearance of interest, well-made photographs or photomechanical reproductions of them may be the best available way to record and communicate to an inspector the nature of the attribute of appearance.

    1. Scope

    1.1 This practice defines terms and symbols and provides a systematic method of describing the arrangement of lights, camera, and subject, the characteristics of the illumination, the nature of the photographic process, and the viewing system. Conditions for photographing certain common forms of specimens are recommended. Although this practice is applicable to photographic documentation in general, it is intended for use in describing the photography of specimens involved in testing and in standardizing such procedures for particular kinds of specimens. This practice is applicable to macrophotography but photomicrography is excluded from the scope of this practice.

    1.2 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.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D1535 Practice for Specifying Color by the Munsell System

    E284 Terminology of Appearance

    E1360 Practice for Specifying Color by Using the Optical Society of America Uniform Color Scales System

    E1541 Practice for Specifying and Matching Color Using the Colorcurve System


    ICS Code

    ICS Number Code 37.040.10 (Photographic equipment. Projectors)

    UNSPSC Code

    UNSPSC Code 45121501(Still cameras)


    Referencing This Standard

    DOI: 10.1520/E0312-06R11

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM E312-06(2011), Standard Practice for Description and Selection of Conditions for Photographing Specimens Using Analog (Film) Cameras and Digital Still Cameras (DSC), ASTM International, West Conshohocken, PA, 2011, www.astm.org

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