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首页 流星雨的拍摄(Shooting of meteor shower)

流星雨的拍摄(Shooting of meteor shower).doc

流星雨的拍摄(Shooting of meteor showe…

张水江
2019-01-09 0人阅读 举报 0 0 暂无简介

简介:本文档为《流星雨的拍摄(Shooting of meteor shower)doc》,可适用于社会民生领域

流星雨的拍摄(Shootingofmeteorshower)流星雨的拍摄(Shootingofmeteorshower)PhotographicobservationsofmeteorshowersVisualobservationofmeteorshoweristhemosteffectiveandpopularmethodatpresentHowever,itwouldbenicetohaveacameratorecordtheexcitingsceneandmakealastingmemorial!Inaddition,thecomposition,movementdirectionandvelocityofmeteorcanbeanalyzedfromthepicturesofmeteorsIthashighscientificresearchvalueShootingmeteors,therefore,isanotherimportantmethodinmeteorobservationAlthoughmillionsofpeopleinthecountrywatchedtheLeonidmeteorshowerin,therewerenotmanypeoplewhotookpicturesofbeautifulmeteorsAstheBeijingCityAmateurorganization,BeijingAstronomicalAssociation,capturedpiecesofsuccessfulmeteorshowerworks,inadditiontogoodweatherandgoodluck,shootingstarsmusthavecertainknowledgeHerearesomeofourexperiencesandlessonstoshowyouhowtoshootmeteorsEquipmentneededCamerasandlenses,bothSLRandoffaxisviewfindercameras,canbeusedforshootingmeteorsaslongasthemechanicalshutterwitha"B"dooror"T"doorMeteorphotographytakeslongexposure,andunlikeordinarycharactersorlandscapephotography,batteriesinanelectronicshuttercameradonotmeetthisrequirement,somechanicalshuttercamerasmustbeusedThewiderthecameralensangle,themorelikelyitistoshootmoremeteorsInaddition,sincethemeteorismovingveryfast,itisnecessarytorecorditstrajectoryatthemomentthemeteorappearsThebiggertheaperture,thebetterPracticehasprovedthateveryfieldofviewinafewdegreesabove,themaximumapertureofmorethanfofthelenscanbeusedtoshootmeteorsItshouldbenotedthatitisbestnottousezoomlenses,oneisbecausethemaximumapertureissmaller,andthetwoisatthemaximumaperturewhentheimagingqualityisnotgoodDon'tbesuperstitiousaboutzoomlensesthatdowellinpeopleandsceneryphotographyOnceyoushootstarswiththem,theresultswillbehorribleNo,youcanuseazoomlensandafocuslenstoshootthestarsThedifferencemustbeobviousAmateurcelestialphotographycirclebasicallyusefixedfocuslens,imagingqualityisguaranteedRemovethe"UV"mirrorbeforeshootingbecauseitwillweakenthelightofthemeteorItisbesttodonotstoptheaperturetoensuremaximumlightinputBeijingAstronomyClubshootingstarsismainlytheuseofthemostcommonmmcamera,camerasThelensusesazoomlenswithafocallengthofbetweenandmillimetersandamaximumapertureofmorethanfInordertoincreasethepossibilityofshootingameteor,wecanemploythemethodofsimultaneousandsimultaneousshootingofthefieldofviewofmultiplecamerasBeijingAstronomyClubshootingtheLeonidmeteorshower,ontheuseofultrawideanglelensfourmmskymeteorphotographicinstallation,fieldscopeoftheirshootingisapproximatelydegreesXdegrees,cancoveralmostalldaylongHowever,shouldnotbetooshortfocallengthrecordsofsmall,faintmeteors,thereforeshouldalsobeconsideredatthesametimeusingthestandardlenstoshoot,clubtookabeautifulmeteorphotohasusedtheheaderThechoiceoffilmrelativetootherequipmentisalittlemorecomplicatedTorecordabriefmeteorphenomenon,especiallywhenitisdark,thesensitivityofthefilmisoneofthekeyfactorsWhetheritiscolororblackandwhitefilm,aslongastheparticlesarefineenough,thehigherthesensitivityExpertsrecommendusingblackandwhitefilms,suchasKodak'sTmaxseries,becausethemeteorpicturestakenfromitcananalyzethebrightnessofmeteorsandhavemorescientificvalueHowever,takingintoaccountthemeteorriotouswithcolourbeauty,BeijingAstronomyClubshootingLeonidsmainlyusesFujiSuperGandKodakPJCfilmNotonlycanweseetheprocessofshootingfromdarktodark,butalsowecanfindthechangeofmeteorcolor,forexample,somechangefromgreentored,whileothersareyellowOtherattachmentsshootingmeteorsshouldhaveasolidthreefootstandandafreelockingshutterlineThreefootlightisnoteasytoputstability,cannotbeuseddirectly,youcansecuresomeweightonthehangingabove,withinterferencetoresisttheTheshutterlinehastwokindsthatcanbelockedandlockableWhenshootingmeteors,besuretoselectalockableshutterlineandtrytoseeifitisflexible,especiallyincoldandfrostyconditionsWhenshooting,alsoneedtoprepareseveralshutterlines,changeatanytimeInaddition,thelenshoodisbestaddedbeforethelenstopreventinterferencefromstraylightAtthesametime,becausethenightlensiseasytodew,thehoodcaneffectivelypreventcondensationWintertemperaturesinthenorthareverylowandsometimesfrosting,andifyoucanmakeasmallbatteryheatingringthatfitsonthelens,itwillkeepthelensatacertaintemperaturesothatitdoesn'tfreezeSpecificmethodsofmakingcanbeseenin's"starflash"magazineShootingmethodTherearetwowaysofshootingmeteors:fixedphotographyandtrackingphotographyForphotographersingeneral,fixedphotographyisfineBecauseit'ssimpleanddoesn'tneedmuchskillThecameradirectlyinstalledonthethreefootfirmlyonthealignmenttotheshootingarea,focallengthissettoinfinity,theshutterissettoBorTwiththeshutterdoordoor,linelockcanstartshootingstarsDon'ttouchthethreetripodorcameraduringtheshooting,anddon'tmovearoundthecamerasoasnottoaffecttheimagingeffectAlthoughthemethodissimple,butweshouldpayattentiontothefollowingaspects,itispossibletoshootabeautifulmeteor:Shootinglocations,shootingsitesforshooting,andmostimportantly,darkenoughskiesBesuretostayawayfromthelightandpollutionofthecity,orelseitwillbeawasteoftimeandfilmLightdamagecanmakethefilmrapidlygrayedoutsothatthereisalackofsufficientcontrast,andthelowvisibilitycausedbypollutioncancompletelymakeyourcamerablindtometeorsappearinginthesky"MeteorphotographyisverydemandinginthisrespectOfcourse,alsoavoidanyinterferenceintheshooting,lightscomingintoyourcameralensForhereinthecityofthephotographer,keytothesuccessofsuchastronomicalphotographyisameteor,musttakethe"goingout",inthehomeisnotwhatgoodmeteorphotos,thisisnotwhatshortcutBeijingAstronomicalAssociation,eachshotdriveortakethetrainouttoBeijingmorethankilometersawayfromtheplaceOurpracticeshowsthat,likeBeijing,wherethepopulationofmorethantenmillionoflargecities,evenifawayfrommorethankm,itcannotescapeitsurbanlightInaddition,thefilmingsitetoopenenough,sothatyourcameracanbeintheabsenceofanyobjectocclusion,atanytimetothemostfavorableareaTherefore,intheactualshooting,wemustcarefullyinvestigatethesitebefore,assoonaspossibletoprepareFraming,weknowwherethemeteorappearsintheskyiscontingentTheonlywaytositbackandwaitAsmentionedabove,youcanuseultrawideanglelenses,ormultiplecameras,whileawiderangeofmeteorshootingThiswillgreatlyincreasethechancesthatthemeteorswillbetakenandtrynottomissthemeteorsthatappearButwhentheshootingareayoucannotcoverthewholeareaatthesametime,thecamerashouldtowherethewilltotakethemeteorIngeneral,anyregioncouldhaveameteor,takethemonyourluckHowever,becauseofthemeteorshoweroccursregularly,sothereismorepronetobrightmeteorskyIngeneral,altitudedegreesintheregionaremostlikelytoseeabrightmeteorInaddition,themeteordenseplaceisinthedistanceoftheradiantfarfieldShouldtakeintoaccounttheabovecircumstances,toarrangecameraviewfinderInactualobservations,wefoundthatstillbrightmeteorsappearnearthehorizon,AndsomebrightmeteorsappearintheskydegreesabovetheradiantpointofthemeteorshowerTherefore,forLeothiskindofmeteorshower,theactualshootingshouldpayattentiontothesituationatthattime,theviewfindercanbechangedaccordingtocircumstancesChoosingascenicspotisalsoimportantinordertogetagoodpieceofshootingstarIfyouchoosesometrees,landscapes,monuments,andeventheobservatorydome,radioantennaarrayasalandscape,coupledwithclevercompositionofthecreativeideas,shootingmeteorphotoswillbeverybeautifulWeknowthattheexposuretime,themeteorastronomyphotographylikeusinlife,presstheshutterwithaclickonit,fortherecordmayoccuratanytimeofthemeteor,usuallylongtimeexposureSohowlongwilleachpicturelastForfixedmeteorphotographywithscientificvalue,tominutesofexposureismoreappropriateHowever,ifyouwanttobecreative,shootingmeteorart,thereisnofixedrules,comprehensiveconsiderationoftheeffectsofenvironmentalfactors,thesky,tomakethefilmintothefogprevailButexposuretimeshouldbeatleastminutesormore,otherwise,thefilmhasnotbeensaturated,andthecolorofthewashedphotosisalsoeasytoashFlexibilityintheactualoperation,ifthereisaveryspectacularfireballintothecamerafieldofviewyou,youshouldquicklyshutthedoor,"B"topreventalongerexposuretimewillchangethecoloranddetailsofmeteorswampInrecentyearstheLeonids,BeijingAstronomicalAssociationwasshotinBeijingkilometersawayfromaroundtheplace,foundinBeijingforthedirectionofview,thebestexposuredoesnotexceedminutesTheotherdirectionislessthanminutesIftheskybackgroundisblackorjustheadup,thelongestexposureforminutesShootingmeteorandotherifyouhaveseentheLeonids,youwillfindsomestrangesights,somebrightmeteoracrossthesky,leavingobvioussmokytrailsintheairforalongperiodoftime,andtheairintheatmosphereundertheinfluenceoftheshapeofthemyriadsofchangestoleaveVerydeepimpressionIfshootingoffthemeteortrailanditschangeprocess,notonlyhastheappreciationvalue,butalsohasthecertainscientificsignificancetotheanalysisatmospheremovementchangeItisOKtousefixedphotographytotaketheremainingtracesOnceafterthemeteortrailsappearbright,assoonasthecameraatit,fixedthreetripod,beginningoftheexposure,andinfrontofthesamespecificmethods,buteachexposuretimeshouldnotbetoolong,controlin~minutesaswellBecausetheexposureistoolong,theshapeofthetraceshaschanged,thepicturewillbeblurred,unabletoappreciatethebeautyoftracesofchangesinthebodyexposureistooshort,thecolorisnotsaturatedItisbettertousecontinuousshooting,eachexposureafewminutestoshowthecontinuouschangeoftheshapeoftheresidualtraceInaddition,themeteorphotographyhassomescientificvalue,butalsothesynchronizationofmeteorshooting,andshootingcamerawithrotatingshuttermodeandsoon,thesephotoscancalculatethemeteorheightandspeeddataBeijingAstronomicalAssociation,thesemethodshavebeentriedtoobtainsomeresultsPostproductionShootingameteorisonlyhalfthebattle,andthenegativesmustbecarefullywashedtogetpicturesItisbettertogivethefilmtothemuseumwhichissuperbandcanbewashedasyouwishBeijingAstronomicalAssociation,theLeonidsphotosonceintwowashingshopprintnegatives,foundthesameexposuredatashouldbetakenindifferentdifferenteffectPracticehasprovedthatthroughpatientandmeticulousadjustment,youcangetverybeautifulmeteorshowerphotosIt'simportanttonotethatifthedensityofameteorphotographisthinnerthantheaveragephotograph,itisbrighter,soyoumayfindmoremeteorsSometimesyouwonderhowyoushotsomanymeteors!Don'tforgettowritethenecessaryparametersonthebackofeachphoto,suchasthenameofthephotographer,thetimeofthefilming,thelocationoftheshooting,thetimeoftheexposure,thedataofthecameraandthetypeoffilmSoifyouwanttotakegood,theremustbealongtimeforthespirit,especiallyintheNovemberwinterseason,isanexcellenttestofenduranceandstrengthBeijingAstronomicalAssociationhassuccessfullycapturedsomemeteors,thekeyisintheshowerbeforeandafterafewdaysarealwaysobservedandphotographedThisisoursecret:success=weatherluckperseverance

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流星雨的拍摄(Shooting of meteor shower)

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