Koj feem ntau yuav hnov cov ntsiab lus dub thiab dawb thaij duab thiab monochromekev yees duab siv sib hloov, lawv tsis nruj ib yam. Kev yees duab monochrome tau ua tiav thaum ib qho xim yog muab tso rau ntawm qhov nruab nrab nruab nrab. Cov xim ntawd tuaj yeem yog grey, uas yog vim li cas monochrome thiab dub & dawb feem ntau siv los txhais tau tias tib yam, tab sis cov xim kuj tuaj yeem yog xim av lossis xim liab-xim av, lossis cyan. Qhov tseeb, txhua daim duab uas siv tib xim hauv cov suab sib txawv yog cov duab monochrome.
Los ntawm kev sib piv, kev yees duab dub thiab dawb siv tsuas yog 255 qhov txawv ntawm grey nrog rau xim dub thiab dawb (uas tsis yog cov xim nruj, tab sis qhov ntawd yog ib zaj dab neeg rau lwm lub sijhawm). Yog li, koj tuaj yeem pom yog vim li cas nws yooj yim kom tsis meej pem txog kev yees duab monochrome nrog dub thiab dawb.
Monochrome txhais tau tias 'Ib Xim'
Txoj hauv kev yooj yim tshaj plaws kom nco ntsoov tias monochrome txhais tau li cas yog txhawm rau lo lus ua ob ntu: mono thiab chrome. Mono txhais tau tias ib qho, thiab chrome hais txog xim. Ib xim. Thiab qhov ntawd yog qhov tseeb ntawm kev yees duab monochrome. Txhawm rau siv ib qho xim thiab tag nrho cov suab ntawm cov xim ntawd los ntes cov duab uas qhia lossis ua rau lub siab xav tau.
Dub & dawb yog tib hom kev yees duab monochrome uas txawm tias muaj cov xim dub tiag tiag. Lwm cov qauv ntawm kev yees duab monochrome yuav muaj ntau qhov sib txawv ntawm cov tonal variation uas qee zaum tsaus ntuj lossis lub teeb heev, tab sis lawv txhua tus yuav ua raws li ib qho xim.
Hom duab Monochrome
Dhau li ntawm cov xim dub & dawb, tej zaum koj twb tau paub txog ob peb hom kev yees duab monochrome, txawm tias koj tsis paub tias lawv yog monochrome. Siv cov duab sepia, piv txwv li. Sepia yog xim liab-xim av (los ntawm tus cwj mem ntawm Sepia cuttlefish) uas feem ntau siv thaum lub sijhawm txhim kho thaum xyoo 1800s. Raws li kev yees duab tau nce siab, sepia tau dhau los ua cov txheej txheem sov so rau kev ua cov duab zoo li qub.
Cov duab Monochrome nrog cov xim txias, xiav hu ua cyanotypes (cyan lub ntsiab lus 'xiav'). Cyanotypes yog thawj zaug siv los ua ib txoj hauv kev tsim cov ntawv sau thiab cov duab kos, tab sis tom qab ntawd tau siv los ntawm Anna Atkins, uas suav tias yog tus kws yees duab poj niam, los ntes cov duab silhouette ntawm cov nroj tsuag. Ib qho kev sib xyaw ntawm cov tshuaj tsim cov variations ntawm xiav tones ntes nyob rau hauv cov duab. Niaj hnub no, feem ntau cov cyanotypes tau tsim siv cov lim dej tom qab ua tiav.
Capturing Monochrome Duab
Kev txhais dab tsi monochrome photography yog rau hauv kev xyaum yog me ntsis ntawm sab tsis yooj yim. Feem ntau cov kws yees duab yuav tam sim ntawd xav tias cov duab monochrome yuav tsum tau tsim hauv kev ua haujlwm tom qab. Lawv tuaj yeem yog, tab sis qhov ntawd tsis yog tib txoj hauv kev los ntes cov duab monochrome.
Yog tias koj xav tua cov duab monochrome nrog koj lub koob yees duab, koj yuav tsum pom cov duab monochrome. Piv txwv li, ib lub hav zoov ntsuab ntsuab, qhov ze ntawm lub paj daj, cov xim daj daj daj tuaj tawm ntawm cov roob liab doog ua ntej lub hnub sawv ntxov, lossis cov nceb xim av tso rau ntawm lub rooj ntoo raws li qhia saum toj no.
Kev muaj tswv yim yog tus yuam sij rau kev ntes cov duab monochrome zoo. Xav txog cov kev txwv dhau los thiab nrhiav txoj hauv kev siv ib qho xim los qhia cov lus koj xav qhia.
Creating Monochrome Images
Xwb, koj tuaj yeem siv qhov program zoo li Adobe Photoshop lossis Lightroom los tsim cov duab monochrome los ntawm cov duab xim puv. Nws yog kev hloov kho ob ntu. Ua ntej, koj yuav tsum tshem tawm cov xim ntawm daim duab los ntawm kev hloov nws mus rau grey nplai (qhov no yog koj qhov nruab nrab) thiab tom qab ntawd koj hloov cov duab rau duo-tone thiab xaiv cov xim uas koj xav siv. Qhov kawg tshwm sim yog ib daim duab, zoo li ib qho qhia saum toj no, uas yog monochromatic thiab tsuas muaj qhov txawv ntawm cov xim koj tau xaiv.
Cov txheej txheem no yog qhov zoo rau kev tsim cov duab monochromatic koj tuaj yeem siv rau ntau lub hom phiaj xws li kev tshaj tawm kev lag luam muaj tswv yim, kev yees duab hauv tsev, lossis rau ntau yam khoom siv tes ua.
