Nyob rau hauv txoj kev xav ua ntej kev tsom xam yog qhov yooj yim - koj tsuas yog hloov phau ntawv tsom mus rau hom, xaiv lub ntsiab lus uas koj qhov kev kawm yuav dhau mus thiab tsom mus rau qhov ntawd (nrog koj lub koob yees duab hauv manual focus mode). Tsuas yog ua ntej koj qhov kev kawm hits point koj ntaus lub shutter thiab koj 'yuav tsum' tau txhaj tshuaj koj nyob tom qab.
Vim li cas nws tseem ceeb rau Prefocus?
Ib txoj kev tsom xam uas pab lub lens tsom nrawm
Yuav ua kom ntse me ntsis thiab xav txog qhov koj tab tom tua, kev tsom ua ntej tuaj yeem txuag koj ntau. sijhawm thiab tsis tau txhaj tshuaj. Nws yog qhov tseem ceeb tshaj plaws rau kev ua kis las uas qhov kev ua tau nrawm thiab koj yuav tsum muab koj lub lens 'autofocus pab ntau li ntau tau.
Autofocus hom yog dab tsi?
AF hom feem ntau yog hais txog kev sib txawv preset tsom tus cwj pwm, thaum tua los ntawm qhov pom. … Auto Focus tuaj yeem qhib tau los ntawm ib nrab nias lub Shutter Button, lossis los ntawm kev siv lub pob AF-On rau siab, yog tias muaj nyob hauv lub koob yees duab. Qib siab EOS koob yees duab muab koj lub peev xwm los kho tus cwj pwm no.
AF cheeb tsam hom yog dab tsi?
thaj tsam ntawm tus ncej uas lub koob yees duab yuav siv rau autofocus yog pom los ntawm cov ntsiab lus tsom hauv qhov pom qhov pom. Qhov teeb tsa uas txiav txim siab seb qhov chaw tsom xam xaiv li cas yog hu ua AF-thaj chaw hom..
Dab tsi yog qhov shutter ceev tshaj plaws rau hmo ntujthaij duab?
Shutter Ceev - 30 txog 60 vib nas this. Raws li qhov tsaus ntuj, lub sijhawm kaw ntev dua yuav muab sijhawm txaus kom cia ntau lub teeb nkag mus rau lub koob yees duab. Yog tias koj pom tias koj cov duab tawm los tsaus nti, nce lub sijhawm, yog tias koj cov duab tawm lub teeb dhau, txo lub sijhawm.
17 cov lus nug ntsig txog pom
Kuv tuaj yeem tsom mus ntev li cas?
Ua raws li cov hauv paus ntawm kev yees duab hmo ntuj - tso lub koob yees duab ntawm lub koob yees duab tripod, siv lub lens dav nrog lub aperture me tshaj plaws, thiab tsom mus rau infinity. Tig lub koob yees duab lub koob yees duab hu mus rau phau ntawv los yog Lub Teeb shooting hom thiab siv lub kaw lus qeeb (5-30 vib nas this) kom ntev dua.
Dab tsi yog lub lens infinity?
Infinity tsom xam yog lub koob yees duab teeb tsa uas tso cai rau lub lens tsom mus rau qhov deb txaus txaustias cov rays tuaj ntawm lub teeb ua haujlwm sib luag thiab ncav cuag lub koob yees duab sensor raws li cov ntsiab lus. Qhov no txo qis lub voj voog ntawm kev tsis meej pem thiab txo qhov plooj, ua rau muaj kev cuam tshuam qhov twg tag nrho cov ncej yog qhov tseem ceeb.
Koj suav aperture nres li cas?
Cov mis siv los muab tus lej rau lub qhov qhib lub lens yog: f / nres=focal length / txoj kab uas hla ntawm qhov zoo aperture (tus tub kawm nkag) ntawm lub lens. Sau rau ntawm lub thoob ntawm koj lub lens, lossis digitally hauv koj lub koob yees duab thiab tso tawm hauv qhov pom lossis LCD npo, tej zaum koj yuav pom f/stop markings ntawm ib-nres increments.
Lub shutter ceev twg koj siv yog tias koj xav kom khov qhov kev txiav txim?
Qhov tsawg kawg shutter ceev ntawm 1/250 ntawm ib thib obyog xav tau kom khov cov lus tsa suab. Tab sis1/250 tsis yog yuav luag nrawm txaus los ntes qee yam kev kawm. Ib tug menyuam yaus khiav ncig lub tiaj nraum qaum tsev yog ceev, yog li 1/250 yog qhov pib zoo los teeb tsa koj lub shutter ceev rau cov menyuam yaus ua si. Txawm li cas los xij, tus neeg ncaws pob uas khiav mus rau thaj tsam kawg tseem nrawm dua.
Yuav ua li cas koj thiaj li tsom mus rau qhov kev hloov pauv?
Tsis txhob sim ua kom pom tseeb ntawm koj qhov kev txav nrawm thaum tua hauv hom tawg, koj tseem yuav tsis ntes nws. Hloov chaw, teem koj lub ntsiab lus tseem ceeb ntawm qhov chaw nruab nrab ntawm koj thiab koj qhov kev kawm. Raws li cov ntsiab lus nrawm nrawm mus txog qhov chaw tsom mus, tuav lub khawm kaw thaum lawv khiav hla nws.
Lub pob nyem rov qab yog dab tsi?
Back-button focus is a lub koob yees duab txheej txheem uas cais kev tsom thiab kaw tso rau ob lub khawm cais. … Kev muaj peev xwm ua kom pom tseeb ntawm ib qho kev kawm lossis ib qho xwm txheej yog qhov tseem ceeb hauv kev ua kom cov duab ntse ntse qhov twg nws yuav tsum tau ua. Nov yog qhov uas rov qab khawm tsom mus rau hauv kev ua si.
500 lossis 300 txoj cai hauv kev yees duab yog dab tsi?
Raws li txoj cai, qhov ntev tshaj plaws shutter ceev koj tuaj yeem siv ua ntej koj daim duab pom qhov muag plooj yog sib npaug li 500 faib los ntawm koj lub lens 'focal length. Yog tias koj qhov focal ntev yog 18mm, koj qhov siab tshaj plaws shutter ceev yog 27.8 vib nas this, (muab koj siv lub koob yees duab puv npo).
Kuv yuav ua li cas thiaj tua tau ntev ntawm kuv lub xov tooj?
Nrhiav shutter speed Thaum koj coj mus rhaub rau ntawm lub kaw lus nrawm koj yuav tau txais cov npe ntawm qhov nrawm, xws li cov feem ntawm cov vib nas this sai li 1 / 3200 ntawm ib thib ob, tag nrho txoj kev mus txog 30 vib nas this. Needless hais, ntevqhov raug koj xaiv, lub sij hawm ntau lub sensor raug rau lub teeb.
Vim li cas kuv qhov kev txhaj tshuaj ntev dhau qhov muag plooj?
Kev zam txim, kev tua ntev ntev qhia txog qhov muaj feem ntau ntawm lub koob yees duab co - lub koob yees duab txav me ntsis thaum txhaj tshuaj, ua rau cov ntsiab lus tsis meej.
500 txoj cai hauv kev yees duab yog dab tsi?
Txoj cai 500 yog siv los ntsuas ntsuas lub sijhawm pom qhov siab tshaj plaws uas koj tuaj yeem tua ua ntej cov hnub qub tsis pom lossis ua ntej cov hnub qub tshwm sim. Kev teeb tsa lub shutter ceev ntev dua qhov kev tso cai los ntawm txoj cai no yuav ua rau cov duab uas tsis muaj hnub qub ntse.
Kuv yuav tsum siv shutter ceev li cas?
Feem ntau, cov lus qhia yog qhov qhov tsawg kawg nkaus kaw qhov ceev yog qhov sib txuas ntawm qhov focal ntev ntawm lub lens. Yog li, yog tias koj siv lub lens 100mm (thiab nco ntsoov suav nyiaj rau cov qoob loo) ces qhov qeeb tshaj plaws shutter ceev koj yuav tsum sim thiab siv yog 1/100th ntawm ib thib ob. Rau lub lens 40mm, nws yog 1/40th ntawm ib ob.
Lub koob yees duab twg zoo tshaj rau kev yees duab hmo ntuj?
12 Lub Koob Yees Duab Zoo Tshaj Plaws rau Hmo Ua Yeeb Yam
- YCanon EOS 6D. - Ua kom muaj zog. …
- Canon EOS 6D.
- Canon PowerShot ELPH 190.
- Canon EOS 5D Mark IV. - Ceev autofocus. …
- Nikon D7500. - Cov duab zoo txawm nyob hauv ISO siab. …
- Nikon D5600. - Dav ISO ntau yam. …
- Olympus OM-D E-M5 Mark III. - Siab ISO rhiab heev txawm nyob ntawm nws pib teeb tsa. …
- Olympus OM-D E-M10 Mark II.
Puas 9 AF ntsiab lus txaus?
Ntau tus qauv thiab hom koob yees duab sib txawvtus nqi, feem ntau pib nyob ib ncig ntawm 9 autofocus ntsiab lus. Cov ntsiab lus no ua haujlwm txhawm rau tsom ib feem ntawm koj cov duab thiab xyuas kom meej tias nws nyob rau hauv kev tsom. … Thaum koj tab tom yuav thaij duab, ib qho ntawm koj cov ntsiab lus autofocus yuav tsum nyob rau saum koj cov ntsiab lus.
Kuv yuav siv hom AF dab tsi?
Yog tias koj ua haujlwm nrog cov ntsiab lus zoo li qub, ces Ib-Point AF cheeb tsam homyog qhov zoo tshaj. Txhua lub sij hawm muaj cov lus tsa suab nyob rau hauv tus ncej, siv Dynamic AF Area Hom los xaiv koj thawj qhov tseem ceeb thiab tso cai rau lub koob yees duab taug qab los hla!
Kuv yuav hloov kuv qhov chaw AF hom li cas?
AF-thaj chaw hom tuaj yeem xaiv tau los ntawm nias lub pob AF-hom thiab tig lub subcommand hukom txog rau thaum qhov kev xav tau tshwm sim hauv qhov pom lossis tswj vaj huam sib luag.
AF yog dab tsi hauv kev teeb tsa lub koob yees duab?
Thaum koj teeb koj lub koob yees duab lens rau AF (auto focus), cov koob yees duab SLR muab tus kws yees duab xaiv ntawm cov kev hloov pauv tau. … Niaj hnub no, lawv hu ua AF-C (luv rau auto focus nruam) thiab AF-S (luv rau auto focus single).
