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【英文标准名称】:StandardPracticeforDescriptionandSelectionofConditionsforPhotographingSpecimensUsingAnalog(Film)CamerasandDigitalStillCameras(DSC)
【原文标准名称】:使用模拟相机和数字静止相机的摄影样片条件描述和选择标的准实施规程
【标准号】:ASTME312-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E12.03
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:验收检验;条件;摄影;图象;工艺;试件;试验
【英文主题词】:analogcamera;digitalstillcamera;DSC;lighting;photography;viewing
【摘要】:Thispracticeprovidesabasisforchoosing,specifying,recording,communicating,andstandardizingtheconditionsandprocessesthatdeterminethenatureofaphotographicimageofaspecimen.Itsprovisionsareparticularlyusefulwhenthephotographicimageisusedtopreserveorcommunicatetheappearanceofaspecimeninvolvedinanagingorstressingtestthataffectsitsappearance.Itisoftenusefultocomparephotographsmadeunderidenticalconditionsbeforeandafteratesttoillustrateachangeinappearance.Thispracticedealswithspecificdetailsofcameratechniqueandthephotographicprocess,soitwillprobablybebestunderstoodandimplementedbyatechnicalphotographerorsomeonetrainedinphotographicscience.Thepersonrequiringthephotographmustclearlyindicatetothephotographerwhatfeaturesofthespecimenareoftechnicalinterest,sohemayusetechniquesthatmakethosefeaturesclearlyevidentinthephotograph,withoutmisrepresentingtheappearanceofthespecimen.Thispracticeprovidesusefulguidanceonpresentingphotographsforviewing,providinganindicationofdimensionsorscale,indicatingtheorientationofthepicture,andreferringtoparticularpointsonapicture.Thesetechniquesshouldbeusefultothosewritingtechnicalliteratureinvolvingillustrationsoftheappearanceofspecimens.Themethodsofthispracticeshouldcontributemateriallytotheaccuracyandprecisionofotherstandardsthatrelyonpicturestoindicatevariousgradesofsomeattributeofappearance,suchasblisteringorcracking.Foracceptancetesting,manufacturingcontrol,andregulatorypurposes,itisdesirabletoemploymeasurement,butinthosecaseswheretherearenomethodsofmeasuringtheattributeofappearanceofinterest,well-madephotographsorphotomechanicalreproductionsofthemmaybethebestavailablewaytorecordandcommunicatetoaninspectorthenatureoftheattributeofappearance.1.1Thispracticedefinestermsandsymbolsandprovidesasystematicmethodofdescribingthearrangementoflights,camera,andsubject,thecharacteristicsoftheillumination,thenatureofthephotographicprocess,andtheviewingsystem.Conditionsforphotographingcertaincommonformsofspecimensarerecommended.Althoughthispracticeisapplicabletophotographicdocumentationingeneral,itisintendedforuseindescribingthephotographyofspecimensinvolvedintestingandinstandardizingsuchproceduresforparticularkindsofspecimens.Thispracticeisapplicabletomacrophotographybutphotomicrographyisexcludedfromthescopeofthispractice.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G81;A15
【国际标准分类号】:37_040_10
【页数】:9P.;A4
【正文语种】: