Tshuav Dawb: Tau Xim kom raug rau koj Cov Duab thaij ~ Ntu 1

Dawb Tshuav: Dab tsi yog nws thiab vim li cas nws yog ib qho tseem ceeb rau Cov Kws Yees Duab

los ntawm Rich Reierson

Cov kab lus no yog thawj zaug hauv koob luv luv ntawm yuav ua li cas cov neeg thaij duab siv tau tshuav dawb txhawm rau txhim kho xim nyob rau hauv lawv cov duab.

Dawb tshuav yog ib qho tseem ceeb tshaj plaws thiab cov txuj ci tseem ceeb thaum tua duab. Xav txog koj daim duab ua lub tsev thiab koj xav tau lub hauv paus los tsim lub tsev ntawd. Dawb tshuav nyiaj (WB) yog qhov pib. Cias muab tso rau dawb tshuav yog qhov kub ntawm ib qho zoo tagnrho dub-lub cev uas radiates lub teeb ntawm kev sib piv cov hue mus rau qhov teeb meem ntawd. Suab zoo nkauj kev. Xav txog nws hauv degrees ntawm qhov sov sov lossis txias. Cov degree no tau ntsuas hauv Kelvin nrog 5000 degree yog qhov nruab nrab.

Xim Daim Ntawv Raug Ncaj Ncees ntawm Duke University

Peb lub qhov muag tau zoo heev ntawm kev txiav txim dab tsi yog dawb hauv qhov sib txawv lub teeb, txawm li cas los xij cov koob yees duab digital feem ntau muaj qhov nyuaj nyuaj nrog nws pib dawb tshuav. WB tsis muaj tseeb tuaj yeem tsim cov xim tsis muaj xim xiav, txiv kab ntxwv, lossis txawm tias xim ntsuab pov tseg, uas tsis muaj qhov tseeb thiab tshwj xeeb ua rau lub teeb duab. Yuav kom tawm tsam qhov tsis taus, cov koob yees duab tau npaj nrog cov profile rau koj cov xwm txheej tua. Ua ntej, pib dawb tshuav nyiaj yog muaj nyob rau hauv tag nrho cov koob yees duab digital thiab siv qhov kev kwv yees xam zoo tshaj nyob rau hauv thaj tsam ntawd-feem ntau ntawm 3000/4000 K thiab 7000 K. Rau feem ntau, nws pib dawb tshuav nyiaj yuav ua rau koj zoo nkauj ze rau qhov tseeb WB. Thib ob yog kev cai dawb tshuav nyiaj li cas. Qhov no tso cai rau koj raws li lub ntsuas phom mus ntsuas qhov dawb tshuav siv daim npav lossis cap. Peb yuav tham txog cov no me ntsis tom qab. Tus so ntawm lub cim calibrate nyob rau hauv kev txiav txim ntawm nce xim kub. Ntawm no yog qhov kev sawv cev zoo ntawm cov nyhuv hloov presets muaj ntawm ib tus duab.

Cov no tau coj nrog kuv D300 hauv WB hom sib txawv:

Lus Nug: Cov duab twg muaj qhov yog tshuav dawb lawm?

teb: Yog tsis muaj tseeb duab! Technically tsis muaj leej twg muaj tseeb tag thiab peb yuav los tham txog tias tom ntej blog ncej tab sis WB yog qhov kev xav kiag li. Kuv txhais li cas yog qee tus neeg nyiam cov duab txias dua thiab qee tus nyiam cov duab sov. Nws yog nyob ntawm tus kws yees duab kom txiav txim siab. Txawm tias qhov kev txiav txim siab yog dab tsi, nco ntsoov tias cov duab yog sync tau nrog txhua tus kom ib tug neeg tsis khiav lub gamut ntawm sov kom txias.

Cov lus teb yooj yim yog txhua yam uas koj xav tias yog, yog qhov raug. Qee zaum daim duab yuav tsum tau sov me ntsis lossis txias me ntsis. Koj lub qhov muag thiab lub ntsuas ntsuas ntsuas yog ib qho tseem ceeb los txiav txim qhov uas "haum" yam tsawg kawg hauv koj lub qhov muag.

Kev ntsuas kho thiab ua haujlwm nrog WB

Yog tias cov qauv pib ua haujlwm tsis tau ua haujlwm rau koj thiab koj xav tau ib txoj hauv kev tseeb ntawm kev ntsuas calibrating WB koj muaj ob peb txoj kev xaiv. Ua ntej, muaj ob peb lub lens npog uas muab rau koj kom meej WB hauv phau ntawv hom los ntawm kev tua cov ntsuas hluav taws xob nrog lawv txuas. Tus thawj coj ua lag luam yuav tsum muaj Kev tshem tawmCov. Txoj kev thib ob kom tau txais xim tseeb yog tua ntawm a daim npav txhoCov. Daim npav grey tau siv rau caum xyoo los ua ib txoj hauv kev los ntsuas daim duab los ntawm muab qhov nruab nrab nruab nrab ntawm cov lus qhia rau hauv paus dawb tshuav tawm ntawm. Kuv yuav qhia txog yuav siv cov npav grey thiab lens npog rau hauv tus ncej tom ntej. Qhov thib peb yog tua hauv RAW hom. Nyoos hom yog qhov zoo rau cov xwm txheej nyuaj uas lees paub kho kom haum dawb nyob rau tom qab ua tiav theem ntawm koj qhov workflow.

Hauv kev saib xyuas, RAW tso cai rau koj los tsim cov xim profile, kho qhov raug, tsim qhov sib npaug dawb, thiab nyem cov duab ua ntej nws yuav compressed rau hauv JPG hom. Txoj cai zoo ntawm tus ntiv tes xoo yog tias koj muaj kev tsis ntseeg yog tias koj cov kev txhaj tshuaj yuav "tawm" tua rau hauv cov nqaij nyoos thiab kho hauv kev ua haujlwm tom qab.

Rov qab los tag kis los mus kawm txog kev siv tes ua dab tsi hauv Lightroom, Adobe Camera Raw, thiab Photoshop kho kom haum rau kev tshuav dawb zoo meej.

*** Ob yam ntsig txog MCP Cov Khoom / Kev Pab rau rau cov ncej no ***

1. Kev ncav qhov tseeb dawb tshuav tsuas yog pib. Thaum koj ua tiav qhov no, koj yuav xav xav txog MCP Kev Kho Xim Qhia Kho Duab Photoshop Chav Kawm - qhia koj rau tau txais zoo dua cov tawv nqaij ua suab nrov hauv Photoshop.
2. Yog tias koj tsis tau tua Raw, lossis koj cov xim tseem yuav saib thaum koj kho sab hauv Photoshop, koj kuj tseem yuav tau txais txiaj ntsig los ntawm MCP Hnab ntawm Cov Lus Qhia - cov no Kev coj ua Photoshop pab xim kom raug thiab txhim kho suab nrov ntawm daim tawv nqaij.

Cov ncej no yog los ntawm cov kws sau ntawv qhua Tus nplua nuj Reierson, tus kws tshaj lij hauv Photoshop thiab Lightroom thiab tus tswv ntawm Kev yees duab Mariposa hauv Dallas / Fort Tsim Nyog. Nws lub hom phiaj tseem ceeb yog txhawb nqa tus kws yees duab los ntawm tsim cov koos pij tawj tshwj xeeb uas ua rau kho thiab pab qhia ntawm Photoshop thiab Lightroom. Raws li sideline nws tua sab nraud ntawm kev xa mus. Nws tau siv Adobe khoom txij li xyoo 1994 thiab tseem muaj cov thawj 11 disk rau Photoshop 3.0. Nws yog leej txiv ntawm 2 tus menyuam thiab nws hais tias nws tus poj niam ua cov menyuam bows zoo tshaj plaws.