Rov Qab Los Rau Kev Siv Duab: Cas Shutter Speed ​​Impact Raug

Rov Qab Los Rau Kev Siv Duab: Cas Shutter Speed ​​Impact Raug

Lub hlis yuav los no John J. Pacetti, CPP, AFP, yuav tau sau cov qauv kawm kev thaij duab.  Yuav kom nrhiav tau lawv tsuas yog tshawb “Rov qab mus rau Basics”Rau ntawm peb qhov blog. Nov yog thib rau hauv tshooj lus no. John yog tus qhua nquag mus rau MCP Facebook Zej Zog PawgCov. Nco ntsoov koom nrog - nws yog pub dawb thiab muaj cov ntaub ntawv zoo heev.

Hauv peb tsab xov xwm kawg peb saib yuav ua li cas F-Stop cuam tshuam nrog kev cuam tshuam. Lub sijhawm no peb yuav saib seb Shutter Speed ​​muaj feem cuam tshuam licas rau.

Shutter Speed ​​yog dab tsi?

Shutter ceev yog lub sijhawm uas lub kaw tau qhib, ua kom lub teeb mus txog lub sensor. Lub sijhawm ntev nyob rau ntawm lub sensor lub teeb ci dua los yog ntau tshaj yuav pom cov duab yuav. Cov sijhawm tsawg dua ntawm lub teeb nyob ntawm lub ntsuas, tus tsaus nti lossis tsawg dhau cov duab yuav yog. Qhov no yog qhov chaw uas ob feem ntawm cov duab peb sab raug nkag mus rau kis kom tsim nyog, kom koj cov duab tso rau kom raug, tsis hla dhau lossis tsis raug.

Ntawm no yog ob peb lwm yam uas yuav tsum paub txog Shutter Speed ​​(SS):

• Txoj Kev Xav SS sai yuav khov rau kev txiav txim, 1/125 lossis siab dua ntawd.
• Cov qeeb qeeb SS yuav qhia cov lus tsa suab, 1/30 lossis qeeb dua.
• Tes tuav koj lub koob yees duab ntawm SS qeeb qeeb yog feem ntau nyuaj rau ntau tus neeg. Ib lub pob twv tau pom zoo rau SS ntawm 1/15 thiab qeeb qeeb, txawm tias 1/30.

Txhua qhov uas tau hais, zoo li kuv tau hais hauv hauv tsab xov xwm dhau los, Kuv feem ntau yuav teeb tsa kuv ISO thiab F-Stop ua ntej nyob rau hauv ntau lub sijhawm. Txij li thaum peb tab tom sib tham txog SS ntawm no, peb yuav tsis tham txog F-Stop lossis ISO tam sim no. Las mees lawv kiag li.

Thaum twg yuav tsum siv cov laij nrawm nrawm nrawm ...

Muaj cov teeb pom kev zoo qhov twg Kuv xav tau ceev ceev SS. Piv txwv li: Kuv yees duab qhov kev ua kis las uas kuv xav kom khov kev txiav txim siab, yog li, kuv yuav tsum tau them tus nqi SS 1/125 lossis siab dua ntawd kom khov rau qhov ntawd. Kuv yuav nyob hauv qhov teeb pom kev zoo qhov twg kuv nyob hauv qhov xwm txheej ci ntsa iab; Txhawm rau kom tau txais cov kis lossis saib kuv xav tau nyob hauv cov duab, Kuv xav kom lub suab nrawm dua. Tejzaum nws lub puam hle lossis duab tshav.

Thaum twg thiaj li siv qeeb qeeb Shutter…

Kuv tuaj yeem raug thaij duab zoo nkauj, zoo li dej poob. Kuv yuav xav tau lub SS sai dua kom khov ua dej ntawm lub caij nplooj zeeg kom ua tiav qhov tsis pom kev huv rau lub caij nplooj zeeg, tab sis kuv yuav xav tau SS qeeb qeeb, yog li kuv tuaj yeem qhia kev txav lossis txav ntawm dej hauv qhov chaw. Kuv yuav tau yees duab lub chaw tsaus dua kom muaj qhov zoo nkauj dua, nyob rau ib hnub uas pos huab. Yuav kom ua tau qhov zoo rau daim duab Kuv xav tau Kuv xav xav tau ib qho kos thiab qeeb SS. Kuv tuaj yeem yees duab thaum hnub poob lossis hnub tuaj. Lub teeb hloov pauv sai thiab kuv yuav xav pib nrog qeeb SS thiab nce ntxiv thaum qhov teeb meem ci ntsa iab.

Cim:

• Qeeb Shutter Ceev tso tau ntau lub teeb rau hauv koj lub koob yees duab thiab tuaj yeem qhia cov lus tsa suab yog tias koj qhov SS qeeb txaus.
• Ib qho SS siab dua yuav tso cai qis dua rau hauv koj lub koob yees duab thiab yuav ua rau muaj kev txiav txim siab.

Cov no tsuas yog qee qhov xwm txheej uas koj yuav tau teeb tsa lossis kho koj tus SS. Tawm mus thiab xyaum. Kev xyaum ua kom zoo tshaj plaws. Tom ntej no hauv cov tshooj lus yuav los saib ib qho ntxiv ib qho ua ntej peb khi qhov no ua ke.

John J. Pacetti, CPP, AFP - South Street Studios     www.southstreetstudios.com

Xyoo 2013 Tus qhia hauv MARS Tsev Kawm Ntawv- Kev Yees Duab 101, Cov Hauv Paus ntawm Kev Yees Duab  www.marschool.com

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