Yog tias koj twb tau dhau los nkees ntawm kev noj cov duab hauv hom tsis siv neeg, thiab koj xav tswj cov txheej txheem koj tus kheej, tom qab ntawd nws yog lub sijhawm los kawm txog kev teeb tsa ntawm koj lub koob yees duab thiab kawm paub siv lawv. Ua ntej tshaj plaws, koj yuav tsum tau paub txog cov tswv yim xws li nrawm nrawm nrawm nrawm, aperture, raug, iso, bb, focal ntev. Thiab tseem ceeb tshaj, kom nkag siab yuav ua li cas thiab rau dab tsi siv txhua qhov no. Hauv tsab xov xwm no, koj yuav kawm qhov pib ua haujlwm.
Cov Lus Qhia
Kauj ruam 1
Koj yuav tsum pib nrog ISO teeb tsa. Qhov no yog lub teeb rhiab. Feem ntau ntawm ISO qhov ntau yog 100 rau 800. Thaum twg koj yuav tsum siv tus nqi? Nyob rau hauv huab cua hnub ci, thaum lub ncauj lus qhia zoo, nws yog qhov zoo dua los teeb lub ISO qis tshaj plaws: 100. Tom qab ntawd, ua tsaug rau lub hnub, qhov kev kawm yuav ua kom pom tseeb thiab ua haujlwm tawm, thiab vim tias qhov teeb pom kev zoo tsawg, daim duab yuav suab nrov thiab meej. Yog tias lub hnub ci tsis dhau lub teeb, koj tuaj yeem tsa cov ISO rau 200. Daim duab tseem yuav ua tau zoo heev. Tab sis hauv lub teeb pom kev zoo, qhov muaj nqis no tuaj yeem ua rau thaj chaw loj thiab tsis tau dhau los. Thaum muaj huab cua nyob tsaus nti lossis thaum tsaus ntuj zuag, ISO 400 yuav tsum tau teeb tsa. Qhov yav tsaus ntuj - 800 lossis siab dua. Nco ntsoov tias lub suab nrov muaj nyob ntawm ISO qhov tseem ceeb. Nws ua rau daim duab tsis zoo saib dua, thiab qee zaum spoils tus ncej ntau.
Kauj ruam 2
Tom ntej no, koj yuav tsum teeb tsa lub bb, i.e. tshuav dawb. Tsis txhob ntshai. Qhov kev teeb tsa no tuaj yeem pom tau yooj yim txawm tias hauv cov qauv siv xab npum digital yooj yim. Tej zaum koj yuav pom cov chaw xws li "pos huab", "hnub ci", "incandescent", "teeb roj fluorescent", thiab lwm yam. Koj yuav tsum xaiv ib ntawm cov kev teeb tsa. Yeej, nws pab kho kom raug tseeb cov xim hauv daim duab.
Kauj ruam 3
Tam sim no koj yuav tsum tau txiav txim siab tus txheej txheem ntawm metering kis tau. Matrix metering yog qhov kev xaiv zoo tshaj plaws. Tom qab ntawd txhua lub xim hauv lub thav duab yuav ua haujlwm zoo dua. Yog tias koj xav sau ib co hom tswv yim zoo, tom qab ntawd koj tuaj yeem sim ua cov nqaij metering. Qhov tshwj xeeb no tsuas yog muaj nyob ntawm DSLR koob yees duab. Ntxiv mus, koj tuaj yeem kho cov kis. Yog tias lub teeb tsaus ntuj nti, koj tuaj yeem kho qhov cuam tshuam rau "+", thiab daim duab yuav ua rau ci ntsa iab. Thiab yog tias nws qaim dhau, koj tuaj yeem, ntawm qhov tsis sib xws, ua cov duab tsaus dua.
Kauj ruam 4
Muaj qee qhov chaw tsawg heev ua ntej koj yuav mus txhaj tshuaj. Nws yog tam sim no tsim nyog los txiav txim siab lub shutter ceev. Lub kaw hluav taws xob nrawm nrawm yuav tso cai rau koj coj cov duab kom pom tseeb dua, yam tsis muaj "ntiv taw". Qhov kev kawm ceev dua, qhov nrawm tshaj qhov ceev yuav tsum yog. Txawm li cas los xij, thaum yav tsaus ntuj, koj yuav tsum siv kev nthuav qhia ntev ntev rau qhov nthuav dav zoo dua. Tab sis tib lub sijhawm, koj yuav tsum tau saib xyuas kom lub koob yees duab tsis txav (siv ib qho chaw) thiab cov ntawv nws tus kheej yuav tsum tseem nyob ruaj ruaj. Txwv tsis pub, tus ncej yuav ua rau tsis huv. Ntawm qhov tod tes, ntev mus thaij duab ntawm tsiv lub tsheb nyob rau hauv thaum yav tsaus ntuj zoo li yuav nthuav heev, thiab cov duab tig los ua peculiar. Feem ntau, sim.
Kauj ruam 5
Tam sim no cia peb txav mus rau ntawm lub diaphragm. Koj qhib nws ntau, ci dua koj lub yees duab tiav. Yog li no, lub peev xwm ntawm lub lens yog qhov tseem ceeb heev nyob ntawm no. Ntxiv rau lub teeb xa hluav taws xob, lub diaphragm yog lub luag haujlwm rau lwm qhov tseem ceeb: qhov tob ntawm daim teb. Thaum lub aperture qhib, tsuas yog cov ncauj lus uas lub koob yees duab tau tsom ntsoov tseem ua kom pom tseeb. Cov xim keeb kwm yav dhau los thiab pem hauv ntej yuav raug plooj. Cov txheej txheem no ua haujlwm zoo tshaj plaws rau duab duab. Rau cov toj roob hauv pes, koj yuav tsum kaw lub aperture kom ntau li ntau tau thiab teeb tsa lub qhov muag qeeb qeeb (dua, ib qho chaw kos yuav tuaj yeem siv tau) yog li kom tag nrho cov duab pom meej thiab tsim kho.
Kauj Ruam 6
Thiab kawg yam peb yuav tsum tau kho yog focal ntev. Qhov no yog tus yam ntxwv ntawm lub lens. Nyob ntawm tus nqi no, peb tuaj yeem tso ib daim duab nrog qhov pom loj dua lossis pom qhov pom loj dua hauv tus ncej. Qhov no tseem cuam tshuam nrog zooming yog tias koj muaj qhov sib txawv focal ntev lub teeb. Koj tuaj yeem kho lub focal ntev los ntawm kev hloov lub nplhaib ntawm lub lens. Yog tias koj muaj lub koob yees duab compact, tom qab ntawd siv lub "+" thiab "-" khawm. Qhov no yuav pab koj pom qhov ntev focal uas yog qhov tsim nyog rau kev txhaj tshuaj. Koj tam sim no npaj tua koj tus thawj phau ntawv thav duab.
