Kev Nthuav Tawm Ntawm Lub Koob Yees Duab (29 Duab): Nws Yog Dab Tsi Thiab Yuav Teeb Nws Li Cas Hauv Lub Koob Yees Duab? Lub Sijhawm Ntev Thiab Nrawm Nrawm Nrawm Yog Dab Tsi?

Cov txheej txheem:

Video: Kev Nthuav Tawm Ntawm Lub Koob Yees Duab (29 Duab): Nws Yog Dab Tsi Thiab Yuav Teeb Nws Li Cas Hauv Lub Koob Yees Duab? Lub Sijhawm Ntev Thiab Nrawm Nrawm Nrawm Yog Dab Tsi?

Video: Kev Nthuav Tawm Ntawm Lub Koob Yees Duab (29 Duab): Nws Yog Dab Tsi Thiab Yuav Teeb Nws Li Cas Hauv Lub Koob Yees Duab? Lub Sijhawm Ntev Thiab Nrawm Nrawm Nrawm Yog Dab Tsi?
Video: Lo lus, blemish ib Image, yooj yim thiab ceev ceev, yees duab, duab, yees duab, photograpy 2024, Lub peb hlis ntuj
Kev Nthuav Tawm Ntawm Lub Koob Yees Duab (29 Duab): Nws Yog Dab Tsi Thiab Yuav Teeb Nws Li Cas Hauv Lub Koob Yees Duab? Lub Sijhawm Ntev Thiab Nrawm Nrawm Nrawm Yog Dab Tsi?
Kev Nthuav Tawm Ntawm Lub Koob Yees Duab (29 Duab): Nws Yog Dab Tsi Thiab Yuav Teeb Nws Li Cas Hauv Lub Koob Yees Duab? Lub Sijhawm Ntev Thiab Nrawm Nrawm Nrawm Yog Dab Tsi?
Anonim

Hauv ob peb xyoos dhau los, kev yees duab tau dhau los ua neeg nyiam heev. Txawm li cas los xij, txhawm rau ua tus tswv kom zoo, ua ntej tshaj plaws, nws yog qhov tsim nyog kom muaj peev xwm tswj tau lub koob yees duab, kom paub txhua yam nws ua haujlwm. Hnub no hauv peb tsab xov xwm peb yuav tham txog lub koob yees duab kaw nrawm yog dab tsi, teeb tsa nws li cas thiab vim li cas koj thiaj xav tau nws.

Duab
Duab

Nws yog dab tsi?

Feem ntau hais lus, qhov ceev ntawm lub koob yees duab (lossis lub koob yees duab) yog lub sijhawm tua . Lub luag haujlwm no xav tau txhawm rau txhawm rau cov duab kawg kom pom meej thiab ua tau zoo tshaj plaws. Kev xaiv thiab hloov kho ntawm qhov ntsuas no tsis yog nqa tawm tsuas yog tias koj tab tom tua hauv hom tsis siv neeg.

Duab
Duab

Kev xaiv qhov kaw nrawm cuam tshuam rau lub sijhawm uas lub cuab yeej tso cai kom pom lub teeb hla mus rau lub sensor yuav qhib . (piv txwv li lub sijhawm qhib lub qhov rooj). Qhov ntsuas qhov nrawm tseem yog lub luag haujlwm rau kev nthuav tawm ntawm daim duab thiab qhov zoo ntawm kev kho ntawm ntau yam khoom txav.

Duab
Duab

Ntawm lub koob yees duab, qhov ceev ceev tuaj yeem ua tau yuav qhia hauv 2 txoj hauv kev: S (shutter) lossis Sv (shutter speed). Nws yuav tsum nco ntsoov tias qhov ntsuas no tsis yog tsuas yog siv lub koob yees duab digital niaj hnub no, tab sis kuj tseem nyob hauv cov koob yees duab zaj duab xis.

Duab
Duab

Tseem ceeb! Zuag qhia tag nrho qhov zoo ntawm cov duab kawg tau cuam tshuam tsis yog los ntawm kev kaw nrawm, tab sis kuj los ntawm lub koob yees duab lub qhov muag - qhov loj ntawm lub qhov nyob hauv lub lens los ntawm lub teeb nkag mus rau lub koob yees duab sensor.

Duab
Duab
Duab
Duab

Nws ntsuas li cas?

Qhov ntsuas qhov ntsuas tau ntsuas hauv vib nas this . Thaum koj kho qhov ntsuas no, koj yuav pom tias lub koob yees duab qhia ib lossis lwm tus lej tus lej. Yog li, yog tias koj pom tus lej 30, nws txhais tau tias qhov nrawm nrawm ntawm lub sijhawm tam sim no yog 1/30 s. Los ntawm qhov pom ntawm qhov pom, qhov no txhais tau tias lub koob yees duab kaw yuav qhib rau 1/30 s - lub sijhawm no lub matrix yuav tau txais lub teeb. Tom qab lub sijhawm teev tseg tau dhau mus, lub kaw lus kaw thiab cov txheej txheem raug nthuav tawm xaus.

Duab
Duab

Saib

Vim qhov tseeb tias hauv kev lag luam niaj hnub no ntawm thev naus laus zis thiab khoom siv hluav taws xob muaj ntau lub koob yees duab qauv uas tau tsim los ntawm ntau lub tuam txhab tsim khoom (ob qho tib si hauv tsev thiab txawv teb chaws), muaj ntau yam tshwm sim. Cia peb xav txog qhov tseem ceeb.

Ntev … Kev kaw lub suab qeeb feem ntau siv thaum peb xav ntes cov ntsiab lus txav mus los thiab tib lub sijhawm qhia nws cov yam ntxwv. Hauv qhov no, kev ua haujlwm ntawm khov dua tsis txaus. Kev siv qhov ntev tshaj plaws yog qhov muaj txiaj ntsig yog tias, piv txwv li, koj xav thaij duab lub tsheb maus taus. Hauv qhov no, lub tsheb maus taus yuav tsum tau ua raws li qhov nrawm.

Duab
Duab

Kev kaw lub suab qeeb yog suav tias yog (tsawg kawg) 1/70 lossis 1/50 ntawm ob.

Khov tsab ntawv tsa suab … Khov thev naus laus zis tau siv los nres qhov txav ntawm ib qho khoom thaum lub sijhawm tua. Txog qhov no, nws yog ib qho tseem ceeb uas lub koob yees duab tua tau nrawm heev. Hauv qhov no, qhov nrawm tshwj xeeb yog nyob ntawm cov khoom txav uas koj tab tom yees duab (qhov nrawm nrawm tuaj yeem luv dua lossis, ntawm qhov tsis sib xws, qeeb dua). Ua ntej yuav txhaj koob tshuaj tiv thaiv zaum kawg, cov kws yees duab tshaj lij feem ntau ua qhov kev txhaj tshuaj.

Duab
Duab

Txhawm rau ua kom lub zog txav, nws yog ib qho tseem ceeb uas yuav tsum tau siv lub nrawm nrawm xws li 1/1000, 1/500, 1/250.

Zoom … Zoom yog lub luag haujlwm uas tso cai rau koj nthuav dav lossis tawm ntawm daim duab. Txoj kev no koj tuaj yeem hloov cov nplai ntawm cov khoom txav hauv tus ncej. Nws tsis pom zoo kom siv lub kaw nrawm uas nrawm dhau lossis qeeb dhau ua ke nrog kev nthuav dav - nws yog qhov zoo tshaj los xaiv tus nqi nruab nrab.

Duab
Duab

Thaum qhib lub zeem muag, nws yog ib qho tseem ceeb heev tsis txhob txav lub koob yees duab tawm ntawm lub koob yees duab lossis hloov txoj haujlwm ntawm cov ntsiab lus hauv tus ncej. Tsuas yog qhov no koj tuaj yeem tau txais keeb kwm yav dhau los zoo nkauj, txwv tsis pub nws yuav tig mus tsis pom.

Duab
Duab

Tshee … Feem ntau hais lus, jitter hauv daim duab yog lub cim ntawm cov duab tsis zoo. Txawm li cas los xij, thev naus laus zis no kuj tseem siv rau kev txhaj tshuaj. Piv txwv li, nws tuaj yeem qhia kev nkag siab ntawm kev nrawm lossis kev tsis sib haum xeeb.

Duab
Duab

Nws raug pom zoo kom teeb tsa lub koob yees duab ntawm lub koob yees duab kom tsim cov duab co -effect - nws yog qhov tseem ceeb heev uas nws ruaj khov li sai tau.

Duab
Duab

Txhob lo lo ntxhuav nyhuv . Nrov ntawm cov kws yees duab toj roob hauv pes yog qhov hu ua silk effect. Nws feem ntau siv yog tias koj xav ntes cov dej saum npoo av (dej, pas dej, hiav txwv lossis lwm yam dej hauv lub cev).

Duab
Duab

Qhov ua kom txhob lo lo ntxhuav tsuas tuaj yeem ua tiav yog tias koj siv qeeb qeeb (hauv qhov xwm txheej twg koj tseem tuaj yeem thaij duab dej tsaws tsag).

Hauv qhov no, qhov nrawm tshwj xeeb yuav tsum ntev dua li ib pliag . Txhawm rau tsim hom duab no, koj yuav xav tau cov khoom siv ntxiv xws li lub tswm ciab thiab Neutral Density (ND) lim. Los ntawm kev siv lawv, koj tuaj yeem tiv thaiv qhov tsis xav tau ntau dhau ntawm koj cov duab.

Duab
Duab
Duab
Duab

Huab nyob rau hauv tsab ntawv tsa suab … Txhawm rau yees duab huab hauv kev txav, nws raug nquahu kom ua raws tib txoj hauv kev ib yam li qhov "siv tau zoo"

Nws tseem yog qhov tseem ceeb los tsom mus rau ib puag ncig ib puag ncig.

Yog li, yog tias muaj cua daj cua dub sab nraud thiab feem ntau huab cua tsis zoo, tom qab ntawd qhov kev nthuav tawm yuav tsum qis dua (thiab hloov pauv).

Duab
Duab

Kev yees duab hmo ntuj … Cov kws yees duab nyiam ua haujlwm tsis yog thaum nruab hnub xwb, tabsis tseem hmo ntuj. Hauv qhov no, lub koob yees duab pib ua haujlwm hnyav dua thaum tsis muaj qhov xav tau ntawm lub teeb. Txawm hais tias koj nyob sab nraum, uas tau teeb los ntawm txoj kev teeb thiab lwm qhov chaw teeb pom kev zoo, nws nyuaj heev kom tau txais daim duab zoo.

Duab
Duab

Txhawm rau kom koj daim duab ua tau zoo tshaj plaws, koj yuav tsum tua ntawm qhov nrawm tshaj plaws - qhov no tsuas yog txoj hauv kev koj yuav tau txais lub teeb uas koj xav tau.

Feem ntau, hauv cov xwm txheej zoo li no, cov kws tshaj lij pom zoo teeb tsa lub nrawm nrawm li ntawm 1/30 lossis 1/40 vib nas this. Nws tseem yog ib qho tseem ceeb heev kom nthuav tawm cov duab kom raug. Tsis tas li, thaum xaiv qhov nrawm nrawm, koj yuav tsum tsom mus rau qhov focal ntev.

Duab
Duab

Teeb duab . Kev nthuav tawm yog qhov tseem ceeb tshwj xeeb yog tias koj xav thaij duab niaj hnub pleev xim rau lub ntsej muag. Txhawm rau tsim cov duab zoo li no, koj tuaj yeem siv txhua lub teeb pom kev muaj rau koj, piv txwv li: lub teeb nyem, lub teeb nyem los ntawm lwm lub koob yees duab lossis xov tooj, hluav taws, thiab ntau dua. thiab lwm yam Hauv qhov no, kev tua tus kheej yuav tsum ua tiav thaum raug ntev.

Duab
Duab

Koj yuav tsum qhib ua ntej tias nws yuav siv sijhawm ntev rau koj los tsim cov duab zoo li no.

Nyem … Them nyiaj tshwj xeeb rau qhov ceev thaum siv lub nyem. Hauv qhov xwm txheej uas koj tsis siv qhov tshwj xeeb ua kom nrawm nrawm ua lub teeb nyem, tom qab ntawd koj yuav tsis tuaj yeem nce qhov nrawm los ntawm ntau dua 1/250, vim nws yog qhov nrawm no uas feem ntau ntawm cov qauv ua haujlwm ua haujlwm.

Duab
Duab

Yog tias qhov ntsuas qhov nrawm tsis zoo ua ke nrog qhov ntsuas ntawm koj lub flash, tom qab ntawd koj yuav pom kab txaij loj ntawm cov xim tsaus hauv daim duab.

Nws tau tsim los vim qhov tseeb tias IFO tau tshwm sim thaum lub koob yees duab kaw tau kaw lawm.

Yog li, muaj ntau yam loj ntawm hom laus … Kev xaiv ntawm ib hom lossis lwm yam yuav tsum tau ua tib zoo ua, vim tias qhov zoo ntawm koj daim duab kawg nyob ntawm nws. Ib txoj hauv kev lossis lwm qhov, tab sis tsis ua tiav, koj yuav tsum tsom mus rau lub hom phiaj uas koj tab tom yees duab, ntxiv rau ntawm ib puag ncig ib puag ncig uas cov vis dis aus tau yees duab.

Duab
Duab

Yuav teeb li cas?

Txhawm rau thaij duab zoo thaum thaij duab, nws tsis txaus tsuas yog paub qhov kev xav ntawm kev nthuav tawm - koj yuav tsum teeb tsa kom raug thiab, yog tias tsim nyog, kho qhov ntsuas no ntawm koj lub koob yees duab . Nyob ntawm tus qauv tshwj xeeb ntawm lub cuab yeej, koj tuaj yeem xaiv qhov nrawm ntawm 1/5, 1/80, 1/100, 1/500, 1/1000, thiab lwm yam. Yog tias koj xav nce tus nqi, nco ntsoov tias siab dua nws yog, ntau lub teeb tau txais los ntawm lub lens.

Duab
Duab

Yog li, ua ntej tshaj plaws nws tau pom zoo tso lub koob yees duab rau ntawm qhov chaw ruaj ntseg thiab kho nws (piv txwv li, koj tuaj yeem siv lub tripod). Cov kauj ruam no yuav tshem tawm lub koob yees duab co thiab ua kom lub koob yees duab ruaj khov, ua rau koj lub cuab yeej siv tau yooj yim dua. Tom ntej no, koj yuav tsum teeb lub focal ntev thiab, nyob ntawm qhov ntsuas no, xaiv qib raug los ntawm txoj kev ntawm kev faib rov qab.

Duab
Duab
Duab
Duab

Rau kev yees duab tshaj lij nws tsis pom zoo kom nres tag nrho cov duab - nws yog qhov zoo tshaj rau kev tsom mus rau ob peb yam. Yog li, feem ntau ntawm cov khoom yuav tsum ntse, thiab nws tus kheej cov ntsiab lus tuaj yeem ua mos. Hauv qhov no, koj tuaj yeem ua tiav cov txiaj ntsig zoo tshaj plaws.

Duab
Duab

Tseem ceeb! Nco ntsoov tias qhov nrawm nrawm tsis yog qhov ntsuas thoob ntiaj teb. Nws yuav tsum tau hloov kho tas li thiab hloov kho (piv txwv li, tom qab kho lub koob yees duab, thaum tua ib yam khoom tshiab, lossis thaum xaiv lwm qhov chaw sib txawv).

Dab tsi txiav txim siab qhov ua tau zoo?

Qhov zoo ntawm daim duab kawg yog nyob ntawm qhov ua tau zoo .… Raws li, kev hloov kho ntawm qhov ntsuas no yuav tsum tau ua kom raug raws li qhov ua tau. Tsuas yog nrog kev xyaum koj yuav tau txais qhov kev paub tsim nyog thiab tsim cov duab ntawm qib kev tshaj lij.

Duab
Duab

Dhau li, koj yuav tsum tau ceev faj tshwj xeeb thaum xaiv lub koob yees duab … Tsuas yog cov cuab yeej uas tau tsim los ntawm cov tuam txhab tsim khoom muaj lub siab ntev. Ua ntej yuav ib lub cuab yeej, nyeem cov lus qhia rau nws kev ua haujlwm thiab kawm txhua cov ntaub ntawv hais txog kev ua haujlwm ntawm lub qhov rooj nrawm hauv tus qauv no, yog tias tsim nyog, thov kev pab tswv yim los ntawm tus pab muag khoom.

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