Format: RAW vs. JPEG

Ni som är lite insatta i fotografering har kanske hört den här frågan diskuteras till det oändliga, men jag tänkte ändå lägga upp en liten förklaring på vad skillnaderna mellan RAW och JPEG-format är för dem som inte har riktig koll. Det här är vad jag har i huvudet, så jag reserverar mig för eventuella felaktigheter. (Rätta mig gärna om något inte stämmer eller om något viktigt fattas).

JPEG:
- Fotograferar man i JPEG-format, behandlas filen direkt i kameran; kontrast, skärpa, färger med mera är alltså redan färdigställt och du har en färdig bild direkt när du har klickat av.
- Bilden tar mindre plats och du kan alltså fotografera många fler bilder i kameran på ditt minneskort, än du kan göra med RAW-formatet.
- En JPEG-bild är en komprimerad bild, och varje gång den behandlas och sparas tappar den information som kan vara värdefull att ha kvar.
- En JPEG-bild har ett färgdjup på 8 bitar. (256 färger per färgkanal. Det finns tre olika färgkanaler; röd, grön och blå).

RAW:
- En bild i RAW-format innehåller näst intill obehandlad information från kamerans sensor. Bilden kan alltså verka matt och tråkig när du först tittar på den. Skillnaden är att det finns mer information kvar i bilden, och därför är RAW-formatet mer idealiskt att fotografera med om du har tänkt att arbeta med din bild i efterhand i något bildbehandlingsprogram.
- EN RAW-bild har ett färgdjup på 12/14 bitar. (4096 färger per färgkanal.) Dvs. mer detaljer än i en JPEG-bild.

Kort sagt: Om du misslyckas med din exponering i kameran är det lättare att rädda bilden om den är fotograferad i RAW. RAW-formatet tar dock mer plats på ditt minneskort, och ska du inte hålla på att efterbehandla bilden i datorn är det ingen större idé för dig att fotografera i RAW-format.

Jag fotograferar i RAW-format. Man kan naturligtvis också välja att fotografera både en JPEG-bild och en RAW-bild. Testa lite i ett bildbehandlingsprogram så kommer du antagligen att märka skillnad och bilda dig en egen uppfattning! :)  //Djuu

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Kommentarer
Postat av: Linda

Rekommenderar verkligen serien om du nu är lika lost i vampyrromantik som mig:-)



Ha en skön kväll..

2010-02-12 @ 18:25:55
URL: http://crazybeautifulworld.blogg.se/
Postat av: malin :)

fin blogg :)

2010-02-12 @ 20:15:06
URL: http://kristinehamnmalin.blogg.se/
Postat av: Paui

Coolt att du hittade min blogg, har inte sett dej på sjukt länge :) Du kanske har flyttat elr?:)

Min loverboy bor i gävle haha :)

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2010-07-07 @ 08:17:48
URL: http://www.buynflshop
Postat av: Felicia (fotoblogg)

Fin blogg! :) allt bra med dig? :D

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URL: http://feliiciaohlsson.blogg.se/

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