Txhua tus kws yees duab tshiab tau ntsib nrog lo lus nug ntawm dab tsi lub lens zoom thiab prime lens yog, ua li cas lawv sib txawv ntawm ib leeg thiab qhov twg zoo dua?
Cov Lus Qhia
Kauj ruam 1
Focal ntev.
Cov noob npe hu ua zoom yog lo ntsiab muag uas tuaj yeem hloov lawv lub sijhawm focal. Hauv lwm lo lus, thaum sawv hauv ib qho chaw, koj tuaj yeem tua cov khoom ob qho tib si nyob ze koj thiab ntawm qhov chaw nyob deb.
Cov chaw lo ntsiab muag tsis muaj qhov no, qhov no lo ntsiab muag muaj qhov tas li, qhov focal ntev. Nrog lawv, zoo li lawv hais, koj yuav tau cog qoob loo nrog koj txhais ko taw, i.e. txav mus deb los yog los ze zog qhov teeb meem.
Kauj ruam 2
Cov duab piav meej meej. Cov chaw lo ntsiab muag ib txwm tsim cov duab ntxig, uas yog qhov tshwj xeeb tshaj yog thaum tua cov duab ze-ze ntawm tib neeg. Txawm li cas los xij, yog tias koj yog feem ntau tua cov toj roob hauv pes lossis kos duab, lub ntsej muag ntse no tuaj yeem tsis nco qab.
Kauj ruam 3
Aperture piv. Tsau cov lo ntsiab muag yog qhov nrawm dua, uas yog qhov tseem ceeb yog tias koj feem ntau siv koj lub koob yees duab sab hauv tsev, thiab tsawg dua qhov tseem ceeb yog tias koj tua sab nraum zoov thaum nruab hnub. Hauv qhov no, qhov qis dua ntawm lub lens xoob yuav tsis cuam tshuam nrog koj qhov kev tua.
Kauj ruam 4
Qhov tshwm sim ntawm cov duab ntxiv. Nrog cov lo ntsiab muag zoom, koj tuaj yeem tsim cov duab sib txawv ntau dua, piv txwv li, los ntawm kev siv lub peev xwm los hloov qhov focal ntev ntawm lub sijhawm tam sim no lub shutter raug tso tawm. Lub lens taag tsis tuaj yeem tsim cov nyhuv no.
Kauj ruam 5
Nqi.
Tsau cov lo ntsiab muag tau yooj yim dua hauv kev tsim, yog li lawv tus nqi nrog cov txiaj ntsig zoo qauv thiab cov ntaub ntawv yuav ib txwm qis dua qis dua li lawv cov kev sib tw.
