La ukukhetha ifomathi yemifanekiso yakho Yinto ebaluleke kakhulu xa kuziwa kumgangatho kunye nendawo yokugcina. Ngoko ke, kubalulekile ukuhlalutya ukuba yintoni enikezelwayo kwaye yintoni umahluko okhoyo phakathi kwe-RAW kunye neJPG xa ukhetha eyona ifanelekileyo.
Xa udibanisa iphothifoliyo yakho yokufota, unokubamba ingqalelo kwaye ufezekise ukuthathwa okungcono ngokwefomathi ekhethiweyo kunye nemeko ethile. Ingxoxo-mpikiswano phakathi kokudubula iifoto zakho kwi-RAW okanye kwiJPG ibanzi, kodwa kuqala malunga nokufumanisa izibonelelo kunye nokungalunganga phakathi kwezi ndlela zimbini ezikhoyo. Kukho ezinye, kodwa ezi zimbini ziphakathi kwezona zinto zikhuphisanayo.
Izinto eziluncedo kunye nezingeloncedo, umahluko phakathi kweJPG kunye neRAW yokubanjwa kwakho
Okokuqala, qonda ukuba Ifomathi yeJPG iqondwa njengomgangatho wokufota idijithali. Le fomati ayigqibekanga kuninzi lweekhamera zedijithali, ngoko nje ukuba siqale ukuyisebenzisa siya kuba neefayile zethu zigcinwe kwiJPG. Ubuncinci kuninzi lweemodeli ezithengiswa kwihlabathi liphela, kunokubakho iimeko ezimbalwa ezichaseneyo malunga noqwalaselo lwefektri kunye nezinye iifomati zemveliso.
Kubafoti abanamava, iJPG inokuba yifomathi enenzuzo.. Ngokomzekelo, kukho umbuzo wokulungiswa komfanekiso. KwiJPG yonke ukulungiswa komfanekiso Yenziwa yikhamera yedijithali. Umsebenzi ulula: sifumana umxholo, cinezela ukuze ubambe indawo kwaye ikhamera ithatha inkathalo kwabanye. Ibhalansi emhlophe, ukugcwala kombala, igophe lethoni, ubukhali kunye nesithuba sombala zenziwa ngokuzenzekelayo. Isiphumo ngumfanekiso wokugqibela olungele ukwabelana. Umsebenzisi akanyanzelekanga ukuba achithe ixesha kunye nomgudu wokwenza umfanekiso kwimemori khadi.
Lo into ezenzekelayo Iluncedo kakhulu kubafoti abatsha, ngakumbi abo bangekayazi indlela yokuphatha ibhalansi emhlophe, uhlengahlengiso lobukhali okanye ukusebenzisa ukukhanya kwizifundo.
Kubafoti abanamava, Inzuzo yeJPG kukuba banokuthatha iifoto ngokukhawuleza kwaye ngokuqhubekayo. Ukuba usebenza kwiiprojekthi ezahlukeneyo unyaka wonke, unokungabi nawo amandla okuqhuba ifoto nganye. Ugcina elo xesha elongezelelweyo ngeJPG. Ukongeza, umfoti oyingcali unamava ngakumbi kwindlela ikhamera yabo esebenza ngayo kunye nendlela yokufumana ezona foto zilungileyo ngokukhawuleza.
Ubungakanani obuncinci kwiJPG
Enye inqaku elixhasa iJPG kukuba ifomathi ithatha indawo yokugcina encinci kakhulu. Zigcinwa ngokuthe ngqo ngendlela ecinezelekileyo, iindaba ezimnandi xa sikwiiseshoni ezinde kwaye zifuna ukubanjwa okuninzi. Imisitho exakekileyo, iiseshini zefashoni, zihlala zifuna amakhulu aliqela okudubula kwaye iJPG ibonakaliswe ngokunika amathuba amakhulu.
Izabelo ngokukhawuleza
Las umahluko phakathi kweJPG kunye neRAW Bakwajongana nemiba yemidiya yoluntu. Ifomathi yeJPG inokwabelwana ngokukhawuleza kwiinethiwekhi zentlalo eziphambili. Awudingi ukwenza naluphi na uhlobo lolungiso kwifayile yenethiwekhi ukuze ifundwe. Ungapapasha iiJPGs kwiphothifoliyo yakho yelifu kwimizuzwana nje embalwa, kwaye zinokuprintwa kwaye zicwangciswe ngonqakrazo olumbalwa.
Izinto ezingeloncedo kwiJPG kunye nomahluko ngeRAW
Nangona inezinto eziluncedo ezinomdla, ifomathi yeJPG ikwanazo nezingeloncedo. Ukuziqonda kunye nokuhamba phakathi kwezi mpawu kunye nezo zefomathi ye-RAW kuya kukunceda wakhe ipotifoliyo yakho ngeyona ndlela ingcono.
Ukulahleka kweenkcukacha
Al cinezela iifoto kwiJPG, umfanekiso uphela uneenkcukacha ezincinci. Iifayile zeJPG zinomgangatho ophantsi kwaye kwezinye iimeko zibonakala zilukhuni. Iinkcukacha ezithe kratya kunye nokusondelana, ngakumbi ukuhla komgangatho. Kwabanye abafoti, le lahleko yomgangatho iyacekiseka kwaye yiyo loo nto bengacebisi ifomathi.
Iinketho zombala ezimbalwa
Omnye umahluko phakathi kweJPG kunye nefomathi yeRAW kukuba kwiifoto zixinaniswe kwiJPG kukho iindlela ezimbalwa zokuseta imibala. IiJPG ziyi-8 bits, uluhlu lwemibala kunye neetoni ziyancipha xa kuthelekiswa nefomathi ye-RAW. Xa udubula imifanekiso ngeetoni ezininzi, umphumo kwiJPG unokuba nempembelelo encinci kakhulu.
Ukuncipha koluhlu oluguquguqukayo
El Uluhlu lweDynamic Ligama lomahluko phakathi kweethowuni ezikhaphukhaphu nezimnyama kumfanekiso. Xa ukudubula kwiJPG, umfanekiso unoluhlu olusezantsi oluguquguqukayo kunye nemimandla yeetoni ezikhanyayo kakhulu (i-overexposure) kunye nezinye ezimnyama kakhulu (i-underexposure) zingavela. Izithunzi zinokubonakala zifihla umfanekiso, kodwa zivela ngenxa yomgangatho wokufota ngokwawo, hayi ifoto ngokwayo.
Izinto ezilungileyo zokufota iifoto kwi-RAW
Kwelinye icala lengxoxo-mpikiswano Abafoti abakhetha ukufota kwi-RAW. Umahluko phakathi kweRAW kunye neJPG inokuba sigqibo kwipotfoliyo yakho kunye nendlela yakho yokusebenza. Okokuqala, qonda ukuba ifomathi ye-RAW ayinyanzelwanga, yidatha yenzwa egcinwa yikhamera, kwaye emva koko ngesoftware efana ne-Adobe Photoshop okanye i-Lightroom inokucutshungulwa.
Imifanekiso ekumgangatho ophezulu
Inzuzo enkulu yefomathi yeRAW yileyo ikhamera ibamba yonke idatha efunyanwa ngumenzi. Akukho zinkcukacha zisusiweyo kumfanekiso kwaye emva koko umsebenzi wezandla usebenzisa idatha yokucubungula ukwenza owona mfanekiso ungcono.
Ukukhanya okukhulu
Ifayile ye-RAW irekhoda i-4096 ukuya kwi-16384 amanqanaba okukhanya, ngelixa i-JPG kuphela i-256. Ukukhanya okuphezulu kwenza iithoni zibukeke zithambile, kwaye zenza kube lula ukulungisa ukukhanya ngexesha lokucubungula. Ikwakuvumela ukuba uhlengahlengise kwaye uphinde uthinte imifanekiso ngaphandle kokuchaphazela umgangatho wokugqibela.
Izinga eliphezulu lokukhanya likwathintela ukuvela kweposta. Lo ngumphumo ozibonakalisayo xa kukho ibhande elide lombala owenza mnyama umfanekiso kumfanekiso. Umzekelo, kwenzeka xa ufota isibhakabhaka esiqaqambileyo okanye ngokuchasene nemvelaphi eqaqambileyo. Isiphumo sivelisa umbono womgangatho ophantsi wokubamba.
Imibala emininzi
Ifomathi RAW iqulethe imibala emininzi kuneefayile zeJPG. Ngaba 68.000 billion ngaphezulu. Ngelixa umfanekiso we-RAW we-12-bit uqulethe amawaka eethunzi ezibomvu, eziluhlaza kunye nebhlowu, i-14-bit enye iqulethe iitriliyoni. Xa sidubula kwi-RAW sithatha yonke imibala enokubakho yendawo nganye. Kungenxa yoko le nto iyifomathi esetyenziswa kakhulu kwifoto yangaphandle nakwindalo.
Uluhlu oluguquguqukayo olukhulu
Omnye umahluko phakathi kweRAW kunye neJPG kukuba uluhlu oluguquguqukayo lubanzi. Yifomati yokuvumela kakhulu xa kufuneka senze izilungiso ekukhanyeni kumfanekiso. Uluhlu lwayo oluguquguqukayo oluphezulu lwenza kube lula ukubamba amanqaku aphezulu kunye nezithunzi ngokuchanekileyo. Unokwenza uhlengahlengiso ukunciphisa utyhileko olugqithisileyo okanye ukutyhileka okungaphantsi njengoko kufuneka. Ifomati yeRAW iyacetyiswa kwiindawo apho ungenakho ukulawula ngokupheleleyo ubungakanani bokukhanya okungena emfanekisweni.
Ukulungiswa komfanekiso owenziwe ngesandla ngokwemigangatho yakho
Eyona ndlela isebenzayo yokusebenzisa ifomathi ye-RAW kwiifoto zakho kungoko emva kokudubula, kwinkqubo yokuhlela. Iifayile zeRAW ziyilelwe ukusetyenzwa ngesandla, ukuze zihambelane nengcali nganye. Banika inkululeko enkulu kwisiphumo sokugqibela, njengoko ubona kufanelekile. Nangona i-JPG ilula kwaye ilula, ifomathi ye-RAW ivumela ukuguqulwa kokukhanya okwahlukileyo, ukuvezwa kunye neeparamitha zokulinganisela ezimhlophe. Ngaloo ndlela ukuphumeza ungenelelo olukhulu lobugcisa kwifayile nganye.
Ukuhlelwa kufuneka kwenziwe kwiinkqubo zobungcali ezifana nePhotoshop okanye Lightroom. Ukongeza, unokwenza uhlengahlengiso olufunayo, kwaye ubuyele kwifayile ye-RAW ukuba isiphumo sokugqibela asikunelisi. Enye inzuzo enkulu yokuhlela kukuba ifomathi yeRAW ayitshatyalaliswa. Emva koko unokuqhubeka nokuhlela ifayile yoqobo, kwaye ugcine uhlengahlengiso olutsha kwi-TIFF okanye kwiJPG.
Izinto ezingeloncedo kwifomathi yeRAW
Sigqiba ukujongana amanqaku angalunganga efomathi ye-RAW kwiifoto zakho. Ukususela kubukhulu, obukhulu kakhulu, ukuya kwisidingo sokuhlela ngesandla ukuze ukwazi ukwabelana ngomfanekiso kunye nomxhasi.
Imifanekiso ethatha indawo eninzi
Iifoto zifakwe kwifomathi ye-RAW zifuna indawo enkulu yokugcina kuba lonke ulwazi alunyanzeliswanga. Isithinteli sekhamera sizalisa ngokukhawuleza okukhulu, kwaye oko kunciphisa inani lemifanekiso onokuthi uyigcine kunye nomgangatho wesakhelo. Isidingo sokutshintsha phakathi kwamakhadi ememori yinqaku elibi kwaye kubafoti abaninzi banengxaki enkulu xa kuthelekiswa nezinye iindlela ezilula. Uyakufuna kwakhona indawo yokugcina kwikhompyuter yakho ukulungiselela iinkqubo zokuhlela.
Ixesha lokuhlela ngesandla
I-RAW yifomati leyo ifuna ucinezelo lwezandla kunye nokuhlelwa, xa kuthelekiswa neJPG esele izenzele yonke inkqubo. Ukusetyenzwa kwemifanekiso kunokuba luxinzelelo ngokwenene xa usebenza phantsi kwemihla ebekiweyo. Xa ukhetha ifomathi ye-RAW kwiiprojekthi ezinkulu, kuya kubakho iiyure ezininzi ezichithwe ukuhlela ifayile ngefayile. Kubalulekile ukuba oku kuthathelwe ingqalelo kokubini kuhlahlo lwabiwo-mali nakwiiyure zomsebenzi ezimiselweyo ukuze kufunyanwe iziphumo ezilindelekileyo. I-RAW lukhetho olulungiselelwe abafoti abonwabela ulawulo olupheleleyo kwiifayile.