Mene ne autofocus? koyi kome game da autofocus daki-daki

Menene mayar da hankali ta atomatik?

autofocus (ko af a takaice) aiki ne na kyamara wanda ke tabbatar da cewa batun yana bayyane a hoton kyamarar. yana amfani da ka'idar hasken da aka nuna daga wani abu ta hanyar gano hasken da aka nuna daga batun ta hanyar firikwensin, sarrafa shi ta kwamfuta, sannan kuma ya kori na'urar mayar da hankali takyamarori masu ƙananankawai goyi bayan autofocus, amma dijital SLRs da mirrorless kyamarori da zaɓi na musaki autofocus kamar yadda ake bukata.

manyan abubuwan haɗin tsarin autofocus

tsarin af ya ƙunshi wasu sassan daidaito waɗanda ke aiki tare don cimma saurin da kuma daidaitaccen hankali, kuma waɗannan sune manyan abubuwan da ke biyo baya:

• mai ɗaukar hoto:ido na autofocus, wanda ke da alhakin tattara nesa da bambancin bayanai daga wurin don taimakawa kyamarar autofocus ta cimma kyakkyawar maida hankali.
• mai sarrafa kyamara:Yana nazarin bayanan da aka tattara daga firikwensin AF kuma yana lissafin yadda za a daidaita saitunan ruwan tabarau don cimma daidaitattun hankali. saurin da algorithms na mai sarrafawa kai tsaye yana shafar aikin da daidaito na autofocus.
• Tsarin sarrafa ruwan tabarau:wanda ke da alhakin motsa kayan gani a cikin ruwan tabarau don daidaita ido. amsawa da daidaiton wannan tsarin yana da mahimmanci don cimma saurin kai tsaye da santsi.

Tare, waɗannan sassan suna kafa tushen tsarin autofocus, kuma haɗin gwiwar su yana ba da damar kyamara ta atomatik da sauri don mayar da hankali kan nau'o'in hotunan hoto.

kwatanta nau'ikan af

Za'a iya rarraba tsarin autofocus zuwa manyan nau'i biyu bisa ga ka'idar aiki da kuma yanayin da ake amfani dasu:

• Ƙarƙashin ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar
• ganowa na lokaci

Ka karanta game da su a ƙasa.

Gano bambanci

tsarin gano bambanci na af yana ƙayyade mayar da hankali ta hanyar nazarin bambanci a cikin wani abu. lokacin da bambanci ya fi girma, ana la'akari da cewa ya sami madaidaicin ma'anar mayar da hankali. irin waɗannan tsarin suna yin aiki sosai a cikin abubuwan da ke faruwa (misali, hotunan hoto, hotunan shimfidar wuri) saboda suna ba

ganowa na lokaci

tsarin gano lokaci yana amfani da na'urar gano lokaci ta musamman don saurin auna tazara tsakanin manufa da kyamara. wannan tsarin yana ba da damar saurin hankali kuma ya dace musamman da al'amuran motsa jiki (misali wasanni, daukar hoto na namun daji). gano lokaci yana ba da fa'idodi masu mahimmanci wajen ɗaukar abubuwa cikin sauri da ci gaba da

Tsarin aiki na tsarin autofocus

Mataki na farko a cikin autofocus shine gano abu, inda firikwensin AF ke bincika wurin kuma ya gane yankunan da ke da bambanci sosai waɗanda galibi sune mahimman wuraren da za a iya mayar da hankali. kuma ƙwarewar kamara ta ƙididdige abin da mai amfani yake so ya mayar da hankali.

da zarar an gane wani wuri mai mahimmanci, tsarin af yana ɗaukar ma'auni na nesa. don gano bambanci af, tsarin yana kimanta canjin bambanci a cikin scene don ƙayyade matsayi mafi kyau. gano lokaci af, a gefe guda, yana lissafin nisa tsakanin manufa da kyamara ta hanyar kwatanta hotuna daga wurare daban-daban akan firikwensin.

autofocus a cikin daban-daban kamara tsarin

na'urorin daukar hoto na dijital masu amfani da na'urar daukar hoto guda daya (DSLR)

Dslr kyamarori yawanci suna amfani da tsarin gano lokaci na atomatik, wanda ya dogara da na'urori masu auna sigina na musamman a cikin kyamara. Wadannan na'urori masu auna sigina suna auna nesa tsakanin manufa da kyamara, suna ba da damar saurin hankali da daidaito.

kyamarori marasa madubi

kyamarorin mirrorless suna ƙara amfani da autofocus mai nuna bambanci, musamman ma waɗanda suke amfani da na'urorin lantarki. waɗannan tsarin suna nazarin bambancin hoto don ƙayyade mafi kyawun wurin da za a mayar da hankali don daidaitaccen mayar da hankali.

kyamarori masu ƙananan

kyamarorin ƙananan, musamman waɗanda ake amfani da su don ɗaukar hoto na yau da kullun, galibi suna da sauƙin tsarin atomatik. waɗannan tsarin na iya haɗuwa da fasahar gano bambanci da fasahar ganowa don cimma saurin mai da hankali a cikin yanayi daban-daban na harbi. kyamarorin ƙananan tare da tsarin autofocus sun dace musamman don sa

aikin a ƙarƙashin haske mai haske

tsarin afHasken yana shafar aikinkuma ya bambanta a ƙarƙashin yanayi daban-daban na haske. a cikin haske mai kyau, babban bambanci da cikakkun bayanai suna sa ya fi sauƙi ga firikwensin AF ya gane kuma ya kulle kan manufa, kuma duka bambancin bambanci da tsarin gano lokaci suna aiki da sauri da kuma daidai.

a cikin yanayin rashin haske, bayanai sun zama m saboda rage bambancin yanayi. wannan yana haifar da gano bambancin af, wanda ya dogara da bambancin wurin don daidaita mayar da hankali, ya sha wahala. firikwensin lokaci af, wanda ke amfani da firikwensin daban don auna nesa, yana aiki da kyau a kwatancen, amma aikinsa ma yana wahala.
kuma lokacin da yanayin haske ya canza da sauri, kamar tafiya daga cikin gida zuwa waje, ko a cikin yanayin girgije, tsarin AF yana buƙatar iya daidaitawa da sauri ga waɗannan canje-canjen. kyamarorin zamani galibi suna da algorithms masu hankali waɗanda zasu iya daidaita tsarin AF da sauri don yanayin haske daban-daban.

yadda za a zabi wani yanayin af

Ana amfani da nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan

• a-s:yanayin af-s ya dace da ɗaukar hotuna na abubuwa masu tsayayye ko masu tafiya a hankali. a cikin wannan yanayin kyamarar tana mai da hankali sau ɗaya lokacin da aka danna maɓallin sakin maƙerin a rabi kuma yana kulle mayar da hankali bayan nasarar mayar da hankali. wannan yanayin yana da tasiri sosai a cikin hoto, shimfidar wuri, da kuma har
• daga cikin:Yanayin af-c an tsara shi ne don bin sawu da daukar hoton abubuwa masu saurin tafiya. a cikin wannan yanayin, kyamarar tana daidaita hankalinta koyaushe don saukar da batutuwa masu motsi, wanda yake da amfani ga daukar hoto na wasanni, daukar hoto na namun daji, da duk wani abin da ya shafi saurin aiki.
• a cikin wannanYanayin af-a yanayin fasaha ne wanda ke sauyawa ta atomatik tsakanin af-s da af-c dangane da yanayin. wannan yanayin ya dace da yanayin da ba ku da tabbacin ko batun zai motsa ko kuma wuraren da batun ya tsaya a farkon harbi amma sai ya fara motsawa.

da kuma

ci gaba da aiki

Kamar yadda fasaha ta samo asali, tsarin AF sun haɗu da wasu siffofi masu tasowa waɗanda suka inganta daidaito, sauri, da kuma dacewa da AF. fahimtar waɗannan siffofi masu tasowa zai iya taimaka mana mu sami sakamako mafi kyau.

bin diddigin abubuwa:bin diddigin abu yana ba da damar kyamara ta ci gaba da saka idanu da kulle kan wani abu mai motsi, koda kuwa abu ya kasance na ɗan lokaci daga cikin firam ko ɓoye. wannan yana rage buƙatar mai amfani don mayar da hankali da hannu.

mayar da hankali ga ido:wani ci gaba algorithm gane da kuma fifita mayar da hankali a kan batun ta idanu, tabbatar da cewa mutum ido sashe ne ko da yaushe bayyana da kuma prominent. musamman dace da portraits.

mai da hankali kan maki da yawa:yana ba da damar zaɓar maki da yawa don ɗaukar abubuwa masu rikitarwa da kuma al'amuran motsa jiki, musamman da amfani a cikin shimfidar wuri da kuma zane-zane inda ake buƙatar daidaita daidaito tsakanin maki da yawa.

shawarwari don amfani da autofocus yadda ya kamata

Domin mu yi amfani da tsarin na'urar daukar hoto ta atomatik, muna bukatar mu mallaki wasu muhimman fasahohi da za su taimaka wajen daukar hoto da sauri.

1. Zaɓi yanayin mayar da hankali
2. amfani da ci-gaba alama da aka ambata a sama - Multi-aya mayar da hankali.
3. Yi amfani da makullin mayar da hankali
4. daidaitawa da hankali
5. amfani da mayar da hankali na tsinkaya

tare da wadannan tukwici, za ka iya amfani da tsarin autofocus mafi inganci da kuma bi mafi girma image yadda ya dace.

Hakika, idan kana da wasu tambayoyi,Don Allah ji free to tambaye mu, sinoseen, don taimako. sinoseen yana da ƙwarewar sama da shekaru 10 a cikin aikace-aikacen gani na sakawa, kuma yana da ƙwarewa ta musamman game da tsarin autofocus, kuma ya haɓaka nau'ikan kayan aikin kyamarar autofocus don masana'antu daban-daban, waɗanda muke tsammanin zasu taimaka muku. sinoseen