Yuav Paub
- Tua hauv B&W, tsis muaj xim, thiab txuag cov duab hauv RAW hom.
- Siv qhov siab tshaj qhov tob me ntsis koj lub koob yees duab muab nrog kev xaiv tsis muaj kev xaiv yog tias lub koob yees duab muaj ib qho.
- Tau qhov nyiaj tshuav dawb ntawm Tsis Siv Neeg. Ua tib zoo mloog cov duab muaj pes tsawg leeg.
Kab lus no piav qhia txog cov hauv paus ntawm kev ntes cov duab B&W zoo. Nrog B&W kev yees duab, koj yuav tsum paub lub koob yees duab teeb tsa, yuav ua li cas sau, thiab ua cov duab li cas.
Yuav ua li cas ntes tau cov duab zoo B&W
Kev yees duab dub thiab dawb tseem nyob qhov chaw tshwj xeeb rau ntau tus kws yees duab, thiab thaum koj paub yuav ua li cas thaij duab dub thiab dawb zoo, nws yuav yog rau koj thiab.
Ib qhov kev sib cav uas npau taws txog kev yees duab dub thiab dawb yog tias nws yuav tsum ua kom tiav hauv-lub koob yees duab-lub ntsiab lus yuav tsum tau thaij duab dub thiab dawb-lossis yuav tsum hloov cov duab xim dub thiab dawb hauv kev tshaj tawm? Nrog rau kev ua cov duab muaj peev xwm muaj nyob rau niaj hnub no, nws yog OK los ua ob txoj kev, tab sis yog tias koj xav kawm tiag tiag txog seb lub teeb, duab ntxoov ntxoo, thiab xim cuam tshuam li cas rau cov duab, sim tua dub thiab dawb uas tsis muaj xim xaiv. Thaum koj txhim kho koj cov txuj ci dub thiab dawb, koj yuav kawm ntau yam uas koj tuaj yeem siv thaum ntes cov duab xim.
Lub koob yees duab zoo tshaj plaws rau xim dub thiab dawb
Kev teeb tsa yog qhov dawb huv ntawm daim duab zoo meej. Yog tias koj tuaj yeem ntsia cov teeb tsa, ces cov duab yuav zoo nkauj, txoj cai? Muaj qee qhov lwm yam uas nkag mus rau hauv nws, tab sis tau txais kev teeb tsa lub koob yees duab zoo tuaj yeem mus ntev mus rau kev ua rau koj cov duab dub thiab dawb zoo. Kuj tseem muaj qee qhov kev teeb tsa uas yuav txiav txim siab los ntawm cov xwm txheej tua koj ua haujlwm.
Ntawm cov chaw uas koj tuaj yeem teeb tsa thiab tsis nco qab yog ob peb yam uas koj tuaj yeem siv tau:
- Image Format: Kev txawj ntse yog siv RAW hom rau tag nrho koj cov duab. Qhov no muaj tseeb hauv kev yees duab dub thiab dawb yog tias koj tua xim lossis ncaj dub thiab dawb, tab sis muaj qee lub koob yees duab muaj peev xwm ntes ob xim thiab xim dub & dawb cov duab nrog tib lub qhov rooj tua hluav taws; nws hu ua RAW + JPEG. Yog tias koj lub koob yees duab muaj hom no, nws yuav tsis ntes ob qho tib si, tab sis cov duab dub & dawb (JPEG) tau ua tiav los ntawm cov duab xim (RAW) hauv lub koob yees duab (thiab tawm ntawm koj qhov kev tswj hwm). Txawm hais tias koj xaiv los siv qhov no los yog nruj me ntsis dub & dawb lossis xim yog qhov teeb meem ntawm tus kheej nyiam, tab sis nco ntsoov tias koj xaiv dab tsi koj xaus nrog RAW cov ntaub ntawv rau qhov ua tau zoo tshaj plaws tom qab ua tiav.
- Ntsis qhov tob / Compression hom: Qhov tob me ntsis lossis compression hom yog hais txog tus lej tonal qhov tseem ceeb uas koj lub koob yees duab ntes nrog txhua daim duab. Cov koob yees duab niaj hnub no feem ntau muaj 12- thiab / lossis 14-ntsis xaiv. Qhov kev xaiv 12 ntsis captures 4, 096 tonal qhov tseem ceeb rau txhua xim, ib pixel. 14-ntsis hom ntawv ntes 16, 384 tonal qhov tseem ceeb rau txhua xim, ib pixel. Koj lub koob yees duab kuj tseem muaj cov kev xaiv lossy thiab uncompressed. Qhov kev xaiv lossy txhais tau hais tias koj lub koob yees duab pov tseg cov ntaub ntawv uas nws pom tias tsis tsim nyog hauv ib daim duab, thaum qhov kev xaiv tsis sib haum txhais tau tias tag nrho cov nqi ntawm 4, 096 lossis 16, 384 tonal qhov tseem ceeb khaws cia. Tau kawg, 14-ntsis, cov ntawv tsis txaus ntseeg yog cov ntaub ntawv loj tshaj plaws vim tias tsis muaj qhov compression, tab sis nws kuj yog qhov kev xaiv zoo tshaj plaws los siv thaum thaij duab dub thiab dawb. 14-ntsis, cov ntaub ntawv tsis tau muab sau cia muaj cov ntaub ntawv duab ntxiv uas tuaj yeem hloov kho tom qab ua tiav.
- ISO: ISO qhia ntau npaum li cas lub teeb hla lub koob yees duab mus rau cov duab sensor. Cov lej ISO siab dua qhia tias cov duab sensor tau nkag siab ntau dua rau lub teeb, thiab cov lej ISO qis dua txhais tau tias cov duab sensor tsis tshua nkag siab rau lub teeb. Hauv kev yees duab dub & dawb, koj xav siv qhov tsawg tshaj plaws ISO teeb tsa tau thiab txo koj lub shutter ceev kom ntes qhov sib txawv tshaj plaws rau cov duab, vim dab tsi ua rau cov duab dub & dawb zoo nkauj yog txoj kev siv lub teeb thiab duab ntxoov ntxoo los ntes ib qho chaw..
- White Balance: Puas tau pom tias lub teeb zoo li txawv hauv cov xwm txheej sib txawv? Yog tias nws yog hnub sawv los yog hnub poob, lub teeb yuav zoo li daj. Yog tias koj nyob hauv qab hnub puv lossis huab cua, lub teeb yuav zoo li xiav dua. Qhov no yog qhov sib npaug dawb, thiab hauv koj lub koob yees duab nws yog kev hloov kho ntawm lub teeb xim uas tuaj yeem tswj tau manually uas yog tsim los ua kom koj cov duab zoo nkauj dua. Hauv kev yees duab dub & dawb, nws yog qhov zoo tshaj kom tso koj qhov nyiaj tshuav dawb mus rau Automatic Kho qhov nyiaj tshuav dawb nyob rau hauv lwm qhov kev taw qhia tuaj yeem ua rau cov duab uas tau tawg lossis tsaus dhau los khaws cia, txawm nyob hauv post processing.
Ntxiv rau cov kev teeb tsa no, koj yuav muaj kev hloov kho ceev ceev, kev hloov kho aperture, thiab muaj pes tsawg leeg xav txog. Shutter ceev yuav txiav txim siab los ntawm cov ncauj lus uas koj tab tom tua, txawm tias qeeb qeeb qeeb yuav ua rau cov duab dub & dawb zoo dua. Tej zaum nws yuav tsim nyog siv qee cov ntxaij lim dej kom tso cai rau koj txo qhov nrawm nrawm, tab sis qhov ntawd yog txhua yam txiav txim siab los ntawm koj qhov kev kawm.
Aperture ntau npaum li qub. Yog tias koj tab tom tua qhov ze-up thiab xav kom pom qhov muag plooj, koj tuaj yeem siv qhov aperture ntawm ib ncig ntawm f / 4. Txawm li cas los xij, yog tias koj tab tom tua toj roob hauv pes thiab xav kom tag nrho cov duab hauv kev tsom koj yuav xav tau qhov aperture me dua, yog li qee yam ntawm f / 7.1 txog f / 13.
Daim Duab Tso Rau Cov Duab Dub thiab Dawb
Cov duab kos duab yog qhov pib ua haujlwm nyuaj. Yuav ua li cas koj qhia qhov kev xav uas koj xav kom koj cov neeg tuaj saib xav nrog tsuas yog 255 ntxoov grey, dawb, thiab dub? Nws yog ib feem ntawm kev kos duab, tab sis kuj tseem muaj qee cov ntsiab lus tiag tiag uas koj tuaj yeem them sai sai rau qhov uas yuav hloov koj cov duab kawg tshwm sim.
Siv tsuas yog dub, dawb, thiab ntxoov grey tuaj yeem ua rau qee cov duab zoo nkauj, tab sis nco ntsoov tias tsis yog txhua cov duab ua haujlwm zoo dub thiab dawb. Yog tias koj pom koj cov duab dub & dawb tsis ntes cov ntsiab lus ntawm cov ntsiab lus uas koj xav qhia, sim ua cov duab xim. Koj tuaj yeem pom ntau yam xim yog qhov zoo dua ntawm evoking txoj kev xav koj tab tom ua kom tiav.
- Xim, Xim, Xim: Thaum koj pib sau koj cov duab dub thiab dawb, siv sijhawm los kawm cov xim hauv qhov xwm txheej. Txhua yam ntawm cov xim no yuav dhau los ua ib qho ntxoov ntxoo grey. Puas muaj qhov sib txawv txaus hauv cov xim los ua kom zoo nkauj ntawm grey? Tsis yog txhua qhov sib txawv ntawm cov xim yuav ua rau qhov sib txawv ntawm cov xim dub thiab dawb, tab sis kuj tseem muaj ntau zaj dab neeg uas ntxoov grey tuaj yeem hais tau.
- Brightness, Darkness, and Contrast: Tus nqi ntawm qhov ci lossis qhov tsaus ntuj hauv qhov xwm txheej tuaj yeem teeb tsa lub suab ntawm daim duab. Ntau lub teeb ci tuaj yeem ntxiv qhov kev zoo siab rau ib daim duab, qhov twg ntau qhov tsaus ntuj tuaj yeem ua rau cov duab txaus ntshai lossis ua rau pom. Kev sib piv kuj tseem pab kom teeb tsa ib qho kev sib nrug ntawm nws ib puag ncig lossis keeb kwm ntawm daim duab. Saib seb lub teeb ua haujlwm li cas hauv daim duab koj xav tua, thiab sim ntes cov teeb sib txawv ntawm koj daim duab.
- Shapes and Texture: Hauv kev yees duab dub & dawb, nws yooj yim rau cov duab kom pom tau cluttered yog tias tsis muaj cov ntsiab lus siv. Cov duab thiab textures tuaj yeem muab cov ntsiab lus ntawm kev siv. Piv txwv li, cov tsev nyob hauv lub nroog feem ntau yog cov duab plaub uas kos lub qhov muag nce lossis nqis hauv qhov chaw; Cov roob yog ntau pyramid zoo li tus, thiab qhov rais yog ntau square. Koj tuaj yeem nrhiav arches, voj voog, lossis lwm yam zoo li uas pab tus neeg saib lub qhov muag taug kev los ntawm qhov chaw. Tib yam yog qhov tseeb ntawm kev ntxhib los mos, tshwj tsis yog tias kev ntxhib los mos kuj tuaj yeem yog cov ntsiab lus ntawm cov duab. Rov hais dua cov qauv lossis cov khoom siv uas nthuav dav tuaj yeem ua rau cov duab tsis zoo nyob hauv cov neeg coob coob.
- Context: Saib koj cov ntsiab lus hauv cov ntsiab lus nrog lub ntiaj teb nyob ib puag ncig nws. Puas yuav zoo li tawm ntawm qhov chaw dub thiab dawb, nws puas yuav sib xyaw thiab ploj hauv ib puag ncig. Los yog qhov chaw nyob ib puag ncig puas muab cov ntsiab lus tsim nyog los pab cov neeg saib kom pom cov duab koj xav ntes?
Tshaj Tawm rau Cov Duab Dub thiab Dawb
Thaum koj tau kov yeej koj lub koob yees duab teeb tsa thiab siv sijhawm txaus rau koj cov khoom tsim los ntes cov duab zoo meej rau xim dub & dawb, ces nws yog lub sijhawm coj koj daim duab mus rau hauv kev ua haujlwm hauv ib qho program zoo li Photoshop lossis Gimp. Nws yuav muaj peev xwm sau ntau phau ntawv yuav ua li cas tshaj tawm cov duab dub & dawb, tab sis qhov ntawd tsis tau txhais hais tias koj yuav tsum tsis quav ntsej txog kev ua tiav. Hloov chaw, ntawm no yog ob peb lub tswv yim uas yuav pab ua kom yooj yim rau kev ua tiav cov duab uas koj tau ua haujlwm hnyav heev los ntes.
- Nco ntsoov tias xim dub & dawb tsis yog kev daws teeb meem rau cov teeb pom kev tsis zoo hauv cov duab xim. Yuav kom ntes tau cov duab dub & dawb tiag tiag, koj yuav tsum npaj ua ntej ua li ntawd. Tseeb, koj tuaj yeem hloov qee cov duab tsis zoo rau xim dub thiab dawb thiab tom qab ntawd ua rau lawv zoo dua me ntsis nrog qee qhov kev pom thiab qhov sib txawv, tab sis cov duab tsis zoo pib nrog yuav tsis zoo li qub.
- Yog tias hloov cov duab rau xim dub & dawb hauv kev tshaj tawm, sim kho cov xim thiab saturation kom pom cov duab ntxoov ntxoo, txo cov cua ntsawj ntshab tawm, thiab ntxiv qhov sib txawv ntawm qhov chaw zoo. Kho xim brightness rau kev tswj ntxiv ntawm tonal ranges hauv koj daim duab.
- Siv qib thiab nkhaus los tswj cov suab nrov hauv koj cov duab kom nthuav dav ntxiv ntawm qhov chaw koj tau ntes.
- Ntxiv qhov sib txawv los tsim ua yeeb yam. Txawm tias qhov kev hloov me me ntawm qhov sib txawv tuaj yeem ua rau cov duab tuaj yeem muaj sia nyob thaum siv tes zoo.
- Siv Dodge & Hlawv kom tsaus lossis ua kom ci ntsa iab hauv qhov chaw uas tej zaum yuav hnyav nrog cov duab ntxoov ntxoo lossis nthuav tawm ntau dhau los ntawm qhov tseem ceeb. Thiab nco ntsoov tias qhov opacity ntawm cov cuab yeej koj siv tuaj yeem ntxiv ntau theem ntawm cov teeb pom kev zoo / duab ntxoov ntxoo hloov.
Kev kawm yees duab dub & dawb tsis yooj yim, thiab tsis muaj txoj hauv kev uas peb tuaj yeem npog txhua yam ntawm kev yees duab dub & dawb hauv ib kab lus. Txawm li cas los xij, cov lus qhia ntawm no yuav tsum ua rau koj pib zoo rau kev ntes cov duab dub & dawb uas koj tos tsis tau los qhia rau ntiaj teb.
