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首页 Digital SLR camera photography knowledge and ski…

Digital SLR camera photography knowledge and skills(数码单反相机摄影知识与技巧).doc

Digital SLR camera photography …

王万雪
2018-12-16 0人阅读 举报 0 0 暂无简介

简介:本文档为《Digital SLR camera photography knowledge and skills(数码单反相机摄影知识与技巧)doc》,可适用于社会民生领域

DigitalSLRcameraphotographyknowledgeandskills(数码单反相机摄影知识与技巧)DigitalSLRcameraphotographyknowledgeandskills(数码单反相机摄影知识与技巧)FdFirst,loadingandunloadinglensmethodTheconnectionbetweenthelensandthebodyoftheSLRcameraisachievedbymeansofabayonet,usuallythreeorthreeoutside,andalockingmortiseisprovidedtopreventthelensfromfallingoffthefuselageDifferentmanufacturersofdifferentcameras,lockingpositionandoperationmethodofthedeviceisalsoslightlydifferent,sothatthelenshandlingdifferences,suchastheNikonFbayonetisthreeknife,counterclockwiserotationinstallation,whiletheEFisinthethreeCanonbayonetknifeclockwiseinstallation,butthereisalsoadifferenceininitiallensinsertionpositionthepositioningpointoftheWhyusearotarybayonetFirstconnectthecameralensandbodyinterchangeablelensesistheuseofscrew,screwnutaswellas(forexample,amassiveareaofeffectMscrew),withthepassageoftime,thescrewbecomesnotadapttothenewneedsofusers,suchasscrewbasicallycannotachievefullaperturephotometryShrinkshotneeds,andthisisthemostbasicfunctionofbayonetSLRcamera,sothebayonetcameintobeingWhenyouinstallthelens,youshouldcarefullyoperate,intheprocessofunloadingthelenstobemorecareful,pulloutthelensmustbevertical,otherwisenotonlydifficulttopullout,butalsoeasytodamagethelensbarrelorbodybayonetWhenrotatingthelens,thehandshouldholdthelensofthelensbarrelItisnotappropriatetoholdtheirisringorthefocusringandthezoomringThelensshouldbealignedwiththereddotonthelensandtheredpointonthebodyItwillrotateintherequireddirectionandheartheclickoftheclickInthesandanddustenvironment,asfaraspossiblenottochangethelens,soasnottodustintothemirrorbox,maybestainedwithCCD,mayalsoenterthemovingparts,leadingtoincreasedwearandtear,orevenfailureIfyouneedtochangethelensintheharshenvironment,sothebodyovertothebayonetbelowthemaximumloadingandunloadingcanavoiddustentering,downforthelenscovercovershouldbeassoonaspossiblebeforeandafterputbagorlenstubeTwo,withgoodphotometricISOISO,commonlyknownassensitivity,canbeclearlyseenonfilmpackagingusedintraditionalcameras,suchasISO,ISO,ISO,andsoonISOByadjustingtheISOvalue,thesensitivityofthedigitalcameracanbechangedUnderthesameconditions(exposure),thehighertheISO,thefasterthespeedoflightexposure,theshorterthetimerequiredThatistosay,inthesameenvironment,withthesameshutterapertureshooting,iftheISOvalueissethigher,thenthedigitalphotobrightnessisgreaterRegulatingISOAfterbuyingadigitalcamera,youcanstartshootingnowYouwanttoshootabeautifuldigitalphotos,thenaccordingtothescenetochoosedifferentshootingmodes,alsoneedtopayattentiontothesensitivityofthesize,whitebalance,controlvirtualbackground,thecompositionoftheframe,thelightdirection,sidespotchoiceNext,let'sseehowtotakepictures,theroleofhighsensitivitySinceISO'simprovementcaneffectivelyreducetheCCDsensitivitytime,thisprovidesconvenienceforourshootinginpoorlightItusuallytakesalongexposuretimewhenshootinginweaklightoratnightOncetheexposuretimeistoolong,theshakeofthehandiseasytoaffecttheshootingclarity,andtheonlywayistousethetripodtofixthecameraButafterall,formostusers,it'snotconvenienttohaveatripodforentertainmentatanytimeInaddition,sometimesthereareemergenciesatnight,andinordertogetbrightershootingresults,themostdirectwayistousehighISOvalues,sothatshootingwillbebetterHighISOvaluesincludenightscenes,weaklightenvironments,andfastsnapshotstheroleoflowsensitivityButnotthehigherthebettersensitivity,becausealthoughISOvalueoftheweakestpicturebrightness,butitisthebestoffinequalityThephotosofparticlesofhighISOmostobvioussense,morenoisyIffullmanualexposuremodeisused,exposurecompensationisrarelyused,becauselightcanbechangeddependingontheadjustmentoftheshutterandapertureFour,reasonableexposure,readhistogramThehistogramisthroughthewaveformdisplayedontheLCDtodeterminetheaccuracyofthephotoexposuretool,nowmanydigitalcamerasintheviewfinderwhenyoucanseetherealtimehistogram,sothatwecanclearlydeterminethephotographsorpicturesareframingtheexposuresituationhistogramThehistogramofthehorizontalaxisfromlefttorightonbehalfofthephotofromblacktowhite(black)(light)thenumberofpixelsHerearetwoexamples:Histogramshowstheleftsideoftheripple,indicatingthattheoverallpictureisdark,maybeexposedtotheripple,throughthehorizontalaxis,thereisnopeak,whilebothendsofthelightandoverflow,thephotosmaybedarkanddetaileddetailsofthelossofseriousFive,makegooduseofthewhitebalanceManypeoplemayhavethesamefeeling:originallyinnormallightlookslikethewhitestuffunderdimlightmayseemnotwhite,inadditiontosomespeciallightsource(suchasfluorescentlamps)lookswhiteisnotwhiteIngeneral,CCDdoesnothavethesamewayasthehumaneyetoautomaticallycorrectthechangesinlight,butonlyindifferentsituationsunderthedefault"white"balanceothercolorsincoloredlighttonesIfthedigitalphotosarebiased,itisbecausethewhitebalanceisnotadjustedproperlyWhitebalancehasmanypatternsfordifferentscenes,suchasautomaticwhitebalance,tungstenlightwhitebalance,YingGuangbaibalance,indoorwhitebalanceandmanualwhitebalanceAutomaticwhitebalanceisusuallythedefaultsettingsofthedigitalcamera,theautomaticwhitebalanceinlightclosetonormalwhentheaccuracyrateisveryhigh,iftheroomoutside,youcanuseit,buttheshootinginthelightcoloredeffectispoorInaddition,thediffuselightintheatmospherecannotbecorrectedIncloudyweather,manyautomaticwhitebalancesystemshaveapooreffect,whichmaycausethephotostobeblueTungstenlightbulbiswhitebalance(incandescent)whitebalancelight,thisiseasytounderstandfluorescentwhitebalancebecausetherearemanytypesoffluorescentlamps(suchascoldwhiteandwarmwhite)andthemostdifficulttodealwith,trytoshootthedecisionindoorwhitebalanceisalsocalledcloudy,cloudywhitebalance,suitableforthedimlighttotheprimarystateManualwhitebalanceisthesamplingofwhite(egwhitepaper)inthelightoftheshootingsceneIntheory,manualwhitebalanceisthemostaccurate,unlessthesamplingwhiteisnotwhiteenoughInsomeoccasions,oftenpartialcolorisalsoverystrangeeffect,donotbelievethatyoutakethenightsceneintheselectionofdaylighteffects,try,infact,verygoodOfcourse,beginnersorstepbystepisbetter,butdonothavetoomanyproblemsforthewhitebalance,andifthecolordeviationoccurs,inmostcasesyoucanusethelatterPScolorbalancecorrectionSix,sidelightshootingskillsThesidelightisfromtheobjectsideraysoflight,itcanmaketheobjectsurfaceduetounevenandshowingapartofshadow,theobjectsurfaceandthedarksidehaveobviousperformance,candrawtheoutlineoftheobjectcontour,andcanreflectthethreedimensionallight,thisoneofthestrongestperformancetherefore,thesidelightisthemostcommonlyusedphotographiclightraysButinuse,wemustpayattentiontothelightanddarksurfaceintheproportionofthescreenshapeUsuallyobliquelightangleisthebest,whenthedirectionofthelightandtheobjectplaneisaboutdegreesangle,theangleofthelighttotheobjectsurfaceandtheproportionofthedarksideofroughlythesame,comparedwiththedailylifeofvisualhabitsSidelightcausesshadowsintheobjectandstrengthensthestereoSeven,thebacklightshootingskillsThebacklightreferstotheobjectbehindtheraysoflightBacklitfilmiseasytomaketheobjectintoasilhouette,sofortheexposureofsomerelativelydifficulttograsp,forbeginnersoftendonotrecommendbacklightingphotographyNegativebuttheartisticeffectisunique,cangivetheobjectedgebacklightwithacontourlightmovingside(ifitissunny,isPhnomPenh)Ifhandledproperly,youcancreateauniquesenseofbeauty,takepicturesofartisticsenseoflightandshadeNeedtopayattentiontowhenshootingbacklitphotos,backlightforegroundandbackgroundlightistoolarge,oftencausedbyexcessiveorinsufficientexposureofforegroundbackgroundexposure,inordertoreducetheratiooflight,wemustpayattentiontotheprospectoflight,canusereflectororFlashifyouseewhoisagainstthesunwhenshootingwithaflashdoyouwant,payhomagetohim,becauseitwasaconnoisseur,henarrowedintheforegroundandbackgroundlightthanBacklightportraitwillilluminatethefigure,butshouldpayattentiontoavoidthelackofpositivelight,exposureEight,photocompositionskillsAgoodpicture,inadditiontotheuseofgoodlight,theframeworkisalsoveryimportanttobuildAndthisframeworkisthecompositionofthepictureThecompositionofaphotographicphotographdoesnotneedtobelimitedtoaparticularframeworkOnethousandandthirtysevenIfyouwanttouseyourimaginationHowever,forsomeinexperiencedbeginners,itisdifficulttoreachthispointatonce,sonowwewillintroducesomebasicrulesofphotocompositionHowever,itisimportanttonotethattherulesarenotalwaysthesameAlthoughtherearesomemainpointsthatshouldbefollowedinthecompositionofphotography,itisonlytoavoidsometypicalmaladies,thecompositionofseveralwaysThewaythecompositionisdividedintothefollowing:()wellformedcompositionThisformofcompositionassumesthatthelengthandwidthofthepicturearedividedintothreeequalparts,andeachpointoftheintersectionisconnectedinastraightlinetoformawellshapeThesubjectisnotlocatedinthemiddleofthepicture,butisplacedattheintersectionoftheverticalandhorizontallinesthatmakeupthewellcharacterThewholepictureisbothsolemnandrestrained,andthesubjectimageisparticularlystriking()equilateraltrianglecompositionTriangleinthecompositionhasalwaysbeenamorestableform,andtheuseofequilateraltrianglecomposition,inadditiontothescreengivesastrong,calmfeeling,butalsointheperformanceofagoodfoileffectEquilateraltrianglesareoneofthemostappropriateformsforapicturethatrequiresacertainatmosphere()invertedtrianglecompositionContrarytothesteadinessofthecompositionoftheequilateraltriangle,theinvertedtrianglehasadynamicwayofcompositionGivepeoplealively,dynamicfeelingHowever,itshouldbenotedthatinthecomposition,wemustpayattentiontoitsleftandrightsides,itisbesttohavesomedifferentchangesorcomparison,soastobreaktheabsolutebalanceonbothsides,sothatthescreenmorelively()obliquetrianglecompositionObliquetriangleisacompositionbetweentriangleandtriangle,theexpressionbetweenthetriangleandtrianglecomposition,canmakethemainandauxiliarybackgroundmorestarkcontrast,isarelativelycommoncomposition()verticalcompositionVerticalcompositionismainlyusedfortheshootingofmountains,buildings,waterfallsandotherscenesItswholepictureismainlycomposedofverticallines,whichcanmakethescenebemagnificent,tallandimposing()diagonalcompositionThediagonalcompositioncanindicatethedynamicsenseoftheobjectmovementandchange,andcanmakethepicturefeeldynamicTheangledependentdynamicdegree,thegreatertheangle,theforwardmovementismoreintense,buttheangleisnotgreaterthandegrees,otherwisetheywillhaveasenseofdeclination()horizontalcompositionTheuseofthiscompositionoftengivespeopleasenseofcalmandcomfortItcanbeusedtorepresentnaturalsceneryandmakethescenerymorevastandvastThesceneryinthehorizontalcompositionpictureappearsquietandsedate,highlightingasenseofcalm()curvilinearcompositionComparedwithotherformsofcomposition,thecurvesarethemostbeautifulandthemostappealing,Thecompositionofthecurvecanbeusedtorenderthesceneandmakeitmorebeautifulandmoving()progressivecompositionProgressivecompositionismainlyusedinscenessuchasroads,whichusemoregradualtechniquestoshowmorevisualeffectsProgressivecompositionisoftenusedwithawindingpathforguidingandproducinggoodvisualeffectscompositionskillsSeeingsomanycompositions,weneedtousedifferentcompositionsindifferentcircumstancestoachievethebestresultsAndwhenusingdifferentcompositions,wealsoneedtousetechniquesNext,let'sintroducethetechniquesthatareoftenusedincomposition()horizonandthreepointtechniqueThehorizonandthreepointsareoftenusedincombinationwithawellformedpatternInlandscapephotographs,asfaraspossible,thehorizonisplacedinoneofthetwohorizontallinesinthewellshapedcomposition,creatingaharmoniouscompositionAlso,becarefulnottoputthehorizoninthemiddleofthescreenbecauseitwillcutthepicturetotwoIftheskyisparticularlyattractive,giveitmostofthepicture,andifnot,movethehorizonuptoavoidtheblandskyholdingmorepictures()subjectpositiontechniqueHowtopositionthesubjectisalsoanimportanttechniqueinshootingMovingtheobjecttothesideofthepictureasmuchaspossible,withaninterestingbackground,willgreatlyimprovethecompositionTheuseofbackground,suchasstandingorrelyingonaninterestingobject,willbeabletohighlightthemainbody()backgroundandforegroundselectionskillsAlthoughtheshootingsubjectisveryimportant,thebackgroundandforegroundmustbetakenintoaccountwhenshooting,sothatthesubjectandthebackgroundobjectarekeptinharmonyIfthebackgroundisverycomplex,youcanadjusttheaperture,narrowthedepthoffield,blurthebackground,orchangetheshootingangletochangethebackgroundAlsobecarefultoavoidtallobjectsbehindthesubject,suchastrees,streetlights,cups,columns,etc()borderselectionskillsWhenshooting,wecanalsouseforegroundobjectstoframeobjects,suchasbranches,arches,decorativebeautifulrailingsandcourtdoors,etc,whichcanmakethesubjectmoreprominentInthisshootingtechnique,attentionshouldbepaidtominimizingthedepthoffield,allowingthebodytostandoutandattractattention()readingskillsPhotoslikethis,howtoattractreaders,firstofallyouneedalead,butintheshooting,wecanuseit,withacurvedpath,slowlytotheattentionofreaderstothemainscreenaboveThisisaveryclevercompositionforreadingpicturesInaddition,thediagonalmoneyonthescreenguidesthereader'seyesAmeanderingcoastlineorariverthatflowsthroughacanyonbecomesaguide()specialpatterns,structuresandtechniquesIfyoulookatit,youcanfindsomespecialpatterns,structuresandsceneryeverywhereAninterestingpicturecanbecreatedbyusingthepatternstructurefoundoneverydayobjectsThisneedstobeobservedinlife()fillthepictureskillsAveryusefulformofcompositionforcertaintypesofphotographyistomakethesubjectfillthescreen,removethedistractingbackground,anddirectlyexposetheobjectThistechniqueisusuallyusedforproductdisplay,andifyouwanttoshootstilllifewithouthavingtodisplayotherobjectsinthepicture,thenyoucanapproachthesubjectsothatthewavecamerafillstheentirepictureNineBeginnersofphotographycompositionWhenyouseetheviewintheviewfinder,thetrainedphotographerwillquicklychangethemintospotscTheXianranfoldmirroratthetombtohirehomealcoholrightatslaughterindustryOttawa,suppresstheinvasionundershallbearthetomboftraininggunhiredmuscleOfadedpuresoilparentFalconSakuraThepictureofthesmallraftarenomoreimportantthanotherscenery,butwithoutitthephotowaseclipsed,BecauseitisthecenterofthestructureTheboundarybetweentheseaandthebeachandthebackofthegirlareallnearthegoldensectionSupposetheseaisequaltothebeach,andthegirlisinthemiddle,andthecompositionisverystiffIfthemodel'seyesareinthemiddleorrightsideofthepicture,thecharacter'sgazespacebecomesshorterdistinguishbetweenprimaryandsecondary,highlightingthemainbodyPortraitphotos,ofcourse,donotneedtosay,thecharactersarethemain,andgoodbackgroundisalsoafoilButtherearepeopleinthephotographyfiguresisverysmall(themainreasonisthatpeoplewenttothesceneandwentawayfromthecamera,thisisthemostcommonphotography),thesceneryisgreat,nottheforegroundandbackgroundofthepoints,equaltothephotosLostcenterstructureWhilethelessproneto"scenerysubject",tomakethepicturestructureisloose,youshouldchoosetheobjectasapivotstructure,suchasabridge,pavilionstructurecenter,makethemcontactandtakecareofbeforeandafterthesceneThe"subject"inscenicfilmsisnotnecessarilymoreimportantthanotherscenes,buttheroleofthecenterofthestructureisveryobviousbackgroundconcisesubtractioncompositionThecomplicatedbackgroundcancauseinterferencetothesubjectandevendamageagoodphotographThebackgroundisconciseBothpaintingandphotographyneedcomposition,butthemeansofexpressionaredifferentThedifferenceisthatpaintingusesadditionandcomposition,andphotographyusessubtractioncompositionThatistosay,paintingalwaysgivessomepictureTimscenery,andthephotographiccompositionisalwaystrytosubtractthoseunnecessaryscenes,thebackgroundinthesubject,notessentialhinderoutstandingscenerytoreachminus,pictureconciseThesourceoffailureisinsatiablyavaricious,bycuttingoutthesuperfluousisthemotherofsuccess,thewordstructure,goldensectionIfthepictureisdividedintoninesquares,thenthefourintersectioninthemiddleisthebestplaceforthesubjectThelocationofthesefourpointsisclosetothegoldensegmentationpointof:,whichiseasytoobtainbettervisualeffectsBecausepeoplearewatchingtheobjectwithhiseyes,butthepositioninthemiddleofthemostvisuallyweakareas,somostphotographersinthehorizonandsealevellines,arenotusedinthecomposition,thefocusistoavoidthegenerallocationofthemiddleInadditiontothefourpoints,therearetwoimportantlinesdiagonallinesTherearemanyvisualphenomena,suchasconvergenceandradiation,whicharerelatedtotheimplicitdiagonalsinthepictureTherefore,thecompositionalongthediagonallineisalsoaveryimportantmethodofcompositionAtrulyprofessionalboothorstudio,willuseaplainbackground,itspurposeistohighlightthemainbody,avoidbranchesandpolesandotherdebrisfromtheperson"long"Outdoorphotographyalsofollowsthebackgroundandstrivesforthe"vegetarian"principle,leaveablank,enhancethedynamicInordertomakethemainbodyeyecatchingandhavevisualimpact,wemustleaveacertainspacearoundit,whichcanbesaidtobearuleofplasticartsThegeneralruleofblankspaceisthattheportraitofthesideshouldkeepsomespaceinthefaceofthedirectionthemovingobject(suchasthemovingpersonorvehicle)willleavemorespaceinfrontofthemovingdirectionOfcourse,thisisjustageneralruleUsetheblanksflexiblyIfpeoplewalktoemphasizeitsbehindflowingturbansordress,thatsmokeBenzcarsbehindthejumping,thenbacktoleavespacethanthefront,thatisbecausethefocushasbeentransformedIfyouarelookingbackattheedgeofthescreen,thereismeaninginthebackspace,andthepicturewillbeuncomfortableZero

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Digital SLR camera photography knowledge and skills(数码单反相机摄影知识与技巧)

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