Mmene Mungagwiritsire Ntchito Mfundo Zaka AF kuti Muonetsetse Zithunzi Zolimba
Pamene mukupanga kusintha kuchokera ku kamera yoyamba kumsika kwachitsanzo chapamwamba kwambiri, monga DSLR, mutha kulamulira kwambiri chithunzi chomaliza. Mukhoza kusintha kutseka kwa kamera kapena kuthamanga kwachitsulo kuti musinthe mawonekedwe ake. Kumvetsa mfundo za autofocus ndi chinthu china chofunikira kwambiri chokhala wojambula zithunzi wapamwamba, monga momwe mungasinthire kuyang'ana kwa fano powasintha mfundo ya autofocus.
Kamera zamakono za DSLR zimabwera ndi mfundo zingapo, zomwe nthawi zambiri zimawoneka kudzera muzithunzi kapena pa LCD. Ndi makamera akuluakulu a DSLR, mfundo izi zimangowonekera kudzera muzithunzi, koma momwe Live View imakhala yotchuka kwambiri pa makamera a DSLR atsopano, opanga apatsa ojambula njira yosonyezera mfundo izi pamakanema a LCD kapena muzithunzi .
Mosasamala kanthu komwe mumawawona, awa amadziwika ngati zolemba autofocus, kapena mfundo za AF. DSLRs ili ndi mfundo zingapo za autofocus, kuyambira pa zisanu mpaka 77 kapena zina za AF. Ngati mukufuna kumvetsetsa bwino mfundo za AF ndi momwe amagwirira ntchito, pitirizani kuwerenga!
Kodi Autofocus Points Ndi Chiyani?
Mfundo za Autofocus ndi zomwe kamera imagwiritsira ntchito kuganizira pa phunziro. Mwinamwake mudzawazindikira poyamba mukakakamiza shutter pakati. Makamera ambiri adzatulutsa "beep," ndipo zina za AF zidzatsegula (kawirikawiri mu mtundu wofiira kapena wobiriwira) muzithunzi kapena pazenera. Pamene DSLR yanu ikasiyidwa pamtundu wa AF, mumadziwa komwe kamera ikuyang'ana zomwe AF ikuwunika.
Kugwiritsira ntchito AF yosankhidwa mosavuta kungagwire bwino ntchito zosiyanasiyana zosiyanasiyana. Mwachitsanzo, ngati mukugwiritsira ntchito kukula kwa munda ndipo simukuwombera chilichonse chimene chikusuntha, kuti khamera ikasankhe bwino mfundo za AF ziyenera kugwira ntchito bwino.
Koma ndi mitundu ina ya maphunziro, kamera ikhoza kusokonezeka pomwe ndikuyenera kuyang'ana. Mwachitsanzo, ngati mukuyesera kuwombera gulugufe pa tsamba lomwe lili ndi mzere wosiyana, kamera ikhoza kuyang'ana pa kusiyana kosiyana kwambiri kumbuyo. Izi zingachititse kuti phunziro loyamba likhale losasunthika, pomwe maziko akuyang'ana. Kuti mukhale otetezeka, nthawi zina zimakhala bwino kugwiritsa ntchito AF yosankhidwa.
Kodi buku la AF Selection ndi lotani?
Kusankhidwa kwa Buku la AF nthawi zambiri kumatanthauza kuti mungathe kusankha chimodzi chimodzi cha AF, chomwe chidzakupatsani malo enieni omwe muyenera kuwunika. Muyenera kusankha mtundu weniweni wa AF yomwe mukufunira kugwiritsa ntchito pamamera a kamera. Ndipo ngati kamera yanu ya DSLR ili ndi mphamvu, mukhoza kusankha AF yomwe mukufuna kugwiritsira ntchito pokha pokhapokha gawo la chinsalu chomwe chiri ndi gawolo la zochitika zomwe mukufuna kuziganizira, zosavuta kuzigwiritsa ntchito.
Ndipo makamera ena amakono, monga Canon EOS 7D (akuwonetsedwa apa), ali ndi machitidwe a nzeru kwambiri a AF, omwe amakulolani kuti musatenge mfundo zokha, komanso kuti musankhe gulu kapena gawo la chithunzi chomwe muyenera kuganizira. Machitidwe a AF akukhala opambana kwambiri, motero kuchepetsa mwayi wa wojambula zithunzi kuti awonongeke.
Kugwiritsira ntchito nambala yaikulu ya mfundo za AF
Kukhala ndi mfundo zambiri za AF zimathandiza makamaka ngati mukufuna kuchitapo kanthu , kapena ngati mumajambula zinyama ndi ana ... zomwe sizikhala zokhazikika. Ndi nambala yochuluka ya AF, mutha kuchepetsa mwayi woti phunziroli likhale kutali kwambiri ndi mfundo. Ngati mumakonda kuwombera zithunzi kapena malo , mungakhale osangalala ndi mfundo zochepa za AF, momwe mungasinthire nkhani zanu kapena malo anu.