Rov Qab Rau Cov Ntsiab Lus Yees Duab: Hauv Qhov tob Saib ntawm ISO

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Zaj Lus Qhia-3-600x236 Rov Qab Mus Rau Qhov Pib Yees Duab: Hauv Qhov tob Tshawb Nrhiav ntawm ISO Tus qhua Bloggers Cov Lus Qhia Kev Tawm Tsam

 

Rov Qab Rau Cov Ntsiab Lus Photography: Ib qho Nkag Saib Hauv ISO

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 tshooj peb hauv phau ntawv 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 dhau los Kuv tau muab koj saib ntawm daim duab peb sab raug. Lub sijhawm no peb yuav mus tob nrog ISO.

ISO yog qhov rhiab dhau ntawm lub sensor. Lub sensor sau lub teeb. Lub teeb rau ntawm lub ntsuas pa yog dab tsi tsim koj tus duab. Qhov qis dua ntawm ISO tus lej lub teeb ci ntxiv yog xav tau los tsim cov duab, cov duab ci. Qhov siab dua ntawm ISO tus lej tsawg dua lub teeb xav tau los tsim cov duab, cov tsos tsaus dua.

 

Paub txog dab tsi ISO yog zoo li nyob rau hauv, kuv lub tswv yim, qhov tseem tsis to taub ntawm peb ntu ntawm daim duab peb sab raugCov. Yog tias koj muaj teeb meem nrog qhov no, koj tsis yog ib leeg. Rov qab rau hauv zaj duab xis hnub, cov neeg feem coob xaiv 100 lossis 400 zaj duab xis ceev. Tau qhia koj kom siv 100 rau sab nraum zoov thiab 400 sab hauv tsev. Qhov no yog tseem muaj tseeb. Cov koob yees duab digital niaj hnub no, txawm li cas los muab peb ntau dua ISO ntau dua li cov neeg ua yeeb yaj kiab. Cov koob yees duab digital feem ntau yuav muab rau koj li 100 txog 3200 thiab siab dua. Qee qhov koob yees duab tshiab tshiab mus ntau npaum li 102400.

 

Cov ISO yog dab tsi Kuv ib txwm teeb ua ntej thaum txiav txim siab kuv cov teeb meem tshwm sim. Nov yog qee qhov xwm txheej.

  • Thaum kuv tab tom ua haujlwm nraum zoov, piv txwv li, chaw ua si nrog tus nkauj nyab nkauj nyab lossis cov duab kos ua ke, kev sib koom ua ke lossis tsev neeg muaj kev sib ntsib, Kuv tsis xav tau lub siab ISO. Kuv yuav siv 100. Lub sijhawm kuv yuav xaiv 200 tsuas yog tias nws dhau heev lawm los yog ze rau yav tsaus ntuj qhov twg kuv yuav xav tau me ntsis ntxiv lub teeb rhiab kom tau rau kuv zoo raug.
  • Tam sim no, yog tias kuv tab tom ua haujlwm hauv qhov teeb meem tsis tshua pom kev, piv txwv li, lub tsev teev ntuj tsis pub flash duab, Kuv yuav xaiv qhov ISO ntawm 800, 1600, ua tau 2500. Kuv xav tau qhov rhiab heev ntawm lub sensor yuav siab dua. Cov kev paub ntawm lub teeb tsa ntau dua yuav ua rau kuv khaws kuv cov F-Stop thiab SS qhov twg kuv xav kom lawv tsim kuv qhov kev cuam tshuam zoo hauv qhov teeb meem no.
  • Cia hais tias Kuv xav ua haujlwm nrog lub teeb pom kev zoo. Qhov rai teeb yog diffused (rau feem ntau cov) hnub ci lub teeb. Kuv yuav mus nrog 400 tejzaum 800 yog hais tias lub teeb tsis khaus txaus ib yam li hnub uas huab. Ib zaug ntxiv, teeb tsa kuv qhov F-Stop thiab SS ib zaug kuv muaj kuv qhov ISO.

 

Rov hais me ntsis: Siv ISO qis dua hauv cov teeb pom kev zoo (100). Thaum tsis tshua muaj teeb pom kev zoo, siv cov qib siab dua ISO (400, 800, 1600). Thaum koj txiav txim siab txog koj qhov ISO, koj tuaj yeem tsim dua koj qhov SS thiab F-Nres.

Kuv vam tias qhov no muab lub tswv yim zoo rau koj li cas ISO ua haujlwm thiab siv ISO rau koj kom zoo dua. Kev kawm yog tus yuam sij. Thaum koj muaj txoj kev kawm ntawv ntawd, tsis muaj kev txwv tsis pub tshaj tawm txog txoj haujlwm kev ua haujlwm. Kev kawm ntawv tsis muaj qhov kawg, tsis muaj leej twg paub txhua yam.

Lwm zaus peb yuav saib F-Stop.

 

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

Yog tias koj muaj lus nug, tiv tauj kuv ntawm [email tiv thaiv]. Tus email no mus rau kuv lub xov tooj yog li kuv tuaj yeem teb tau sai. Kuv yuav zoo siab pab txhua yam kuv ua tau.

 

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tsis muaj Comments

  1. Karen nyob rau lub Kaum Ob Hlis 11, 2012 ntawm 9: 15 am

    Ua tsaug rau koj! Nrhiav rau pem hauv ntej kom ntau dua.

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