The Complete Guide to Raw Photography - What Digital Camera in Association With Adobe

Embed Size (px)


Mastering RAW; All You Need to Know From Capture to Print

Text of The Complete Guide to Raw Photography - What Digital Camera in Association With Adobe

ln associaIion wiIh-!34%2).'2!7All you need Io know, Irom capIure Io prinI"%9/.$4(%"!3)#3Advanced Iechniques Io Iake your phoIography Io Ihe nexI level!$/"%,)'(42//-ln-depIh Iour oI Ihis IanIasIic new kAW soIIware2!72/5.$50Guide Io Ihe besI kAW processing soIIware4(%#/-0,%4%'5)$%4/2!70(/4/'2!0(93 1he CompleIe Guide Io kAW AugusI 200So kAW lnIroducIion WhaI is kAW, and how can iI benehI your phoIography?6 ShooIing kAW lI's easier Ihan iI seems Io change Ihe way you shooI8 Managing hles Row Io bring order Io your kAW hles!0 Processing hles keady Io sIarI enhancing your kAW hles? lollow our 20 hrsI sIeps in kAW processing!4 8eyond Ihe basics Advanced Iechniques Io Iake your phoIography Io Ihe nexI level!6 Adobe LighIroom We walk you Ihrough Ihe key IeaIures oI Ihe exciIing new kAW soIIware. Why noI download Ihe beIa and geI involved? 20 kAW LdiIor kound-up Rere's Ihe key IeaIures oI a selecIion oI some oIher kAW processing programs 22 OuIpuIIing hles 1here are some greaI ouIpuI opIions available. We Iake a look aI IhemDI1DkIAL 1AMditor Nigel AIherIon Contributing ditor !amie RarrisonWriter Philip AndrewsProduction ditor !acqueline PorIerArt & Design Simon WarrenADDI1IDNAL IMAC5Philip Andrews AdobeCcnLcnLslI you're a regular reader oI WDC you'll have heard a loI abouI kAW phoIography. lI's a meIhod oI working designed Io exIracI Ihe maximum image qualiIy Irom your digiIal phoIos. MosI cameras process each picIure as iI's Iaken so IhaI you geI an image IhaI's virIually ready Io prinI sIraighI ouI oI Ihe camera. 8uI in doing so some oI Ihe inIormaIion IhaI was capIured by Ihe sensor is discarded. 8y shooIing in Ihe kAW hle IormaI you bypass Ihe in-camera processing and reIain all Ihe daIa collecIed by Ihe sensor. ShooIing in kAW involves a sIeep learning curve, buI iI is ulIimaIely worIhwhile Ior phoIographers who value image qualiIy above all else.1haI's where we come in. We've prepared Ihis comprehensive guide Io working in Ihe kAW IormaI - iI Iells you everyIhing you need Io know, Irom sIarI Io hnish.8uI iI you'd like even more guidance and inIormaIion visiI our websiIe aI www.whatdigita|, where you'll also hnd a selecIion oI QuickIime movie IuIorials covering many oI Ihe Iopics IeaIured here.NigeI Atherton7%,#/-%CONTENTSc0ML7 0Ul0 70 kAWln associaIion wiIh-!34%2).'2!7All you need Io know,IromcapIure Io prinI"%9/.$4(%"!3)#3Advanced IechniquesIo Iake your phoIographyIo Ihe nexI level!$/"%,)'(42//-ln-depIh Iour oI Ihis IanIasIicnewkAWsoIIware2!72/5.$50Guide Io Ihe besI kawprocessing soIIware4(%#/-0,%4%'5)$%4/2!70(/4/'2!0(

0kA7 0Ulck7lM M0Vl 7U70klAL5 0N kAW c0NVk5l0N 7cHNl0U5ICo to and cIick on DownIoads4 1he CompleIe Guide 1o kAW www.whaIdigiIalcamera.comMost D5Lks, and more and more high-end compact cameras provide the option for switching from the traditionaI capture formats of IPC and 1Iff to kAW. 1hls capLure ormaL glves phoLographers more conLrol over Lhe dlglLal phoLos Lhey creaLe by Laklng back a bunch o processlng sLeps LhaL unLll now have been handled by Lhe camera and placlng Lhem rmly ln Lhe hands o Lhe phoLographer. 1hls oers more creaLlve opLlons and poLenLlally beLLer cuallLy conLrol, buL along wlLh Lhls exlblllLy comes lncreased responslblllLy. WHA1 lS kAW!All slngle shoL dlglLal cameras (excepL Lhose uslng Lhe loveon chlp) conLaln a sensor made up o a grld, or maLrlx, o llghL-senslLlve slLes. Lach slLe responds proporLlonaLely Lo Lhe amounL o llghL hlLLlng lLs surace. 8y recordlng and analyslng each o Lhese responses a Lone ls aLLrlbuLed Lo each sensor poslLlon ln Lhe grld. A dlglLal plcLure can Lhen be creaLed rom Lhe range o scene brlghLnesses ocused Lhrough Lhe lens onLo Lhe sensor's surace. 1hls process resulLs ln a monochrome (black, whlLe and grey) lmage as Lhe CCD or CMOS sensors Lhemselves cannoL record Lhe colour o Lhe llghL, only Lhe amounL o llghL hlLLlng Lhe sensor slLe.1o creaLe colour, a small lLer ls added Lo each o Lhe sensor slLes. ln mosL cameras Lhese lLers are a mlxLure o Lhe Lhree prlmary colours ked, Green and 8lue and are lald ouL ln a deslgn called a 8ayer paLLern. lL conLalns 2S/ red lLers, 2S/ blue and S0/ green (Lhe hlgher percenLage o green slmulaLes Lhe human eye's senslLlvlLy Lo Lhls parL o Lhe vlslble specLrum). Uslng Lhls sysLem Lhe varlous elemenLs o a scene are recorded as a maLrlx o red, green and blue plxels o varylng brlghLnesses. 1he phoLo ln Lhls ormaL ls whaL we generally reer Lo as a kAW le. lL conLalns lnormaLlon abouL Lhe brlghLness and colour o Lhe WhaI is kAW and whaI are Ihe advanIanges oI capIuring in Ihis IormaI Ior Ihe phoIographer? PhiIip Andrews explains all).42/$5#4)/.4/2!7scene buL ln a orm LhaL can'L be readlly edlLed or enhanced wlLh sLandard phoLo soLware. UnLll Lhe currenL lnux o kAW-enabled dlglLal cameras and soLware, phoLographers were bllssully unaware o Lhe exlsLence o such les, as Lhe lmages LhaL Lhey recelved rom Lhelr cameras were already converLed rom Lhe kAW sLaLe Lo Lhe much more amlllar (and useable) !lLG or 1lll orm. 1hls converslon occurs as an lnLegral parL o Lhe capLure process where Lhe raw daLa comlng rom Lhe sensor ls used Lo creaLe a ull 2!7)NTRODUCTIONc0ML7 0Ul0 70 kAWkAW hles diIIer Irom oIher hles in IhaI some opIions IhaI are hxed during Ihe processing oI 1llls,!PLGs eIc can be changed losslessly wiIh kAW. 1hink oI kAW hles as having Ihree disIincI secIions:L camera 0ata (a.k.a LXll or meIadaIa):lncludes Ihings such as camera, shuIIer speed and aperIure deIails, mosI oI which cannoI be changed;Llmage 0ata:recorded in-camera,buI can be changed in a kAW ediIor. Changeable opIions include colour mode, whiIe balance, saIuraIion, conIrasI and applicaIion oI sharpness. L7he lmage:1he daIa drawn direcIly Irom Ihe camera's sensor siIes in a non-inIerpolaIed (8ayer paIIern) Iorm. lor mosI cameras, Ihis daIa is supplied wiIh a I6biI colour depIh, providing many more colours and Iones Ihan Iound in a sIandard 8biI !PLG or 1lll camera hle. Aboe: A RAR lle is ccrcse1 c llree arls: lle lrace, lle Oarera Dala ar1 lle lrace Dala 0Ifferences hcLwccn k^W and cLhcr crnaLs2!7#/.6%23)/.A RAR lle is lle lclc ccrerle1 rcr ils aralccte lecirrircs ltl slill searale1 irlc lle Baer allerr sc llal eacl serscr sile rereserls cre cclctr crlS 1he CompleIe Guide 1o kAW www.whaIdigiIalcamera.comA0VAN7A05ou geI Io use Ihe Iull Ional and colour range capIured by Ihe camera.ou can remove many oI Ihe hle processing decisions Irom Ihe camera Io Ihe deskIop where more Iime and care can be Iaken in Iheir execuIion. 1his includes:L WhiIe balance changesLRighlighI, shadow and mid Ione ad|usImenIsLApplying sharpnessLManipulaIing saIuraIionLColour mode (skG8, Adobe kG8 eIc) swiIchesLDe-moir improvemenIs ou creaIe and save Ihe mosI comprehensive digiIal picIure hle - 'digiIal negaIive'- currenIly available.ou can make image daIa changes such as a swiIching whiIe balance seIIings wiIhouI image loss. 1his is noI possible wiIh non-kAW IormaIs as Ihe whiIe balance resulIs are hxed in Ihe camera processed hle. ou can 'upscale'using primary image daIa (sIraighI Irom Ihe sensor) raIher Ihan pre-processed inIormaIion which arguably leads Io beIIer resulIs.0l5A0VAN7A05 8igger hle sizes on your camera's memory card.Raving Io process Ihe images beIore use back aI Ihe deskIop.ln some cases needing specialisI kAW processing soIIware Io converI hles in addiIion Io your image-ediIor package.Working in kAW is more Iime consuming, especially posI-capIure.Some knowledge is needed Io make Ihe mosI oI Ihe benehIs oI kAW.res & cens c ShccLnc kawcolour lmage. Speclal algorlLhms are employed Lo change Lhe 8ayer paLLerned daLa Lo a sLandard kG8 orm. ln Lhls process Lhe correcL colour value or each plxel ls 'guessLlmaLed' uslng Lhe lnormaLlon rom Lhe surroundlng red, green and blue slLes. 1hls process ls called lnLerpolaLlon and works exLremely well on mosL cameras. So when you opL Lo save your lmages ln !lLG or 1lll ormaLs Lhls capLure and lnLerpolaLlon process happens lnLernally ln Lhe camera each Llme you push Lhe shuLLer buLLon. SelecLlng kAW as your preerred capLure ormaL sLops Lhe camera rom processlng Lhe colour-separaLed (prlmary) daLa rom Lhe sensor and slmply saves Lhls daLa Lo your memory card. 1hls means LhaL Lhe ull descrlpLlon o whaL Lhe camera 'saw' ls saved ln Lhe lmage le and ls avallable Lo you or use ln Lhe producLlon o cuallLy lmages. X1kA Pk0CSSlNC S1PSounds greaL, doesn'L lL` 8uL whaL's Lhe caLch` Well, kAW les have Lo be processed beore Lhey can be used ln a sLandard lmage-edlLlng appllcaLlon llke lhoLoshop. New appllcaLlons llke Adobe's LlghLkoom and Apple's AperLure can enhance kAW les wlLhouL rsL converLlng Lhem buL or Lhe mosL parL serlous edlLlng can only Lake place on a converLed kAW le. So you wlll need Lo employ a speclal kAW converLer. 1hese programs come as elLher sLandalone pleces o soLware or as a dedlcaLed eaLure ln your avourlLe edlLlng package. Some can process les rom capLure devlces o several manuacLurers, oLhers are resLrlcLed or use wlLh slngle camera models only. Deslgned Lo allow you Lo Lake Lhe unprocessed kAW daLa dlrecLly rom your camera's sensor and converL lL lnLo a usable lmage le, Lhese edlLors also provlde access Lo oLher lmage characLerlsLlcs LhaL would oLherwlse be locked lnLo Lhe le ormaL. varlables such as colour space, whlLe balance, lmage sharpness and Lonal compensaLlon (conLrasL and brlghLness) can all be accessed, edlLed and enhanced as parL o Lhe converslon process. WH 801Hk!So why noL usL sLlck Lo !lLG` 1he answer ls Lwoold: beLLer lmage cuallLy and more creaLlve conLrol. Armed wlLh Lhe Lop-cuallLy kAW-edlLlng soLware now avallable, and a kAW-enabled camera, phoLographers can make consldered udgemenLs abouL Lhe many varlables LhaL aecL Lhe plcLure converslon, provldlng cusLomlsed plcLure-by-plcLure soluLlons never posslble ln-camera. 1he real advanLages o enhanclng your phoLos aL Lhe kAW sLage are