Idan kunyi rikici da "IS" wanda za'a iya bugawa har zuwa ƙarshen sunan kyamarar kyamarar da kuke la'akari, ba ku kadai ba. YAKE, idan aka yi amfani dashi da kyamarar kyamara, ya takaita don "fasahar hoton hoton," wanda ya ba da damar kamara don taimaka maka rage hotuna daga kamara.
Kodayake hotunan kyamara ba sabon abu ba ne, mafi yawan samfurin kyamarori na zamani sun haɗa da fasaha ta IS. Yayin da IS ya zama mafi girma, yana da muhimmanci a san abin da kake sayarwa, kamar yadda hotunan hoto yake samuwa a cikin wasu shawarwari daban-daban.
Abubuwan haɓaka na farko na hoton kyamarar hoto sune:
- Hanyar IS
- Digital YAKE
- Dual YAKE
Ka'idojin
Fasahar hotunan hoto yana amfani da kayan aiki ko software a cikin kyamara na dijital don rage girman tasirin kyamara ko tsinkaye. An yi karin bayani a yayin da ake amfani da ruwan tabarau masu zuƙowa mai tsawo ko lokacin da harbi a cikin yanayin haske, inda gudunmawar rufewar kamara ya kasance da hankali don ƙyale ƙarin haske don isa na'urar firikwensin kamara. Tare da sauri gudu rufe, duk wani tsinkayyar ko girgiza faruwa tare da kyamara yana girma, wani lokaci yakan haifar da hotuna masu lalacewa. Har ma da ƙarancin motsi na hannunka ko hannu na iya haifar da ƙananan ƙuru.
YAKE ba zai iya hana kowane hoto mai ban mamaki-irin su lokacin da batun ya motsa sauri don gudun gudu da kake amfani da shi-amma yana aiki da kyau tare da ƙwaƙwalwar lalacewa ta hanyar motsi na daukar hoto (kada ku ji dadi; kowane mai daukar hoto yana da wannan matsala lokaci-lokaci). Masu yin kimantawa IS zai iya ƙyale ka ka harbe wasu saurin gudu cikin sauri fiye da yadda zaka iya ba tare da IS ba.
Idan ba ku da kyamara da ke samar da tsarin tsaftace hoto mai kyau, kuna buƙatar ƙoƙari ya harba a sauri gudun sauri, wanda zai iya zama da wuya a yanayin haske mara kyau. Yi ƙoƙarin ƙara ƙaddamar da tsarin saitunan ka don ka iya harba ta sauri a cikin sauri a cikin haske mai haske idan tsarin sauti na kyamara ba ya ba ka sakamakon da kake so ba.
Hanyar IS
Don ƙananan kyamarori na dijital da aka yi amfani da su don farawa da masu daukar hoto masu tsaka-tsaki, hoton image karfafawa (wani lokaci ya ragu zuwa OIS) shine fasaha ta IS.
Na'urar mai amfani IS yana amfani da gyare-gyare na injuna don cire kullun kamara. Kowace mai sana'a yana da ƙayyadaddun tsari don aiwatar da IS mai gani, amma mafi yawan kyamarori na dijital da ke dauke da hoton ɗaukar hoto na amfani da na'urar gyro wanda aka gina a cikin kyamara wanda ke tafiyar da kowane motsi daga mai daukar hoto. Siginar gyro yana aika ma'auninsa ta hanyar ƙaddamar da ƙwaƙwalwa zuwa CCD, wanda ya sauya dan kadan don ya biya. Kwamfutar CCD, ko na'urar da aka haɗa da caji, ta rubuta hoton.
Matakan gyara da aka samo tare da ISI na gani shine ainihin nau'i na hoton hoton. Ba ya buƙatar ƙara ƙarfin ganewa na ISO, wanda zai iya daidaita tsarin hoto.
Digital YAKE
Daidaitawar hoto na hoto kawai ya shafi amfani da software da saitunan kyamara don rage girman tasirin kamara. Bisa mahimmanci, dijital YA yana ƙaruwa da ganewa ta ISO, wanda shine fahimtar ƙwaƙwalwar kamara zuwa haske. Tare da kyamara na iya ƙirƙirar hoto daga žasa mara haske, kamara zai iya harba ta sauri, wanda zai rage girman damuwa daga kamara.
Duk da haka, ƴancin layi na IS sau da yawa ya fi ƙarfin ganewa ta ISO fiye da abin da saitin atomatik a kyamarar ya ce ya kamata a yanayin yanayin haske na harbi ɗaya. Ƙara ƙarfin ganewa ta ISO a wannan hanya zai iya ƙasƙantar da siffar hoto, haifar da karin ƙararrawa a cikin hoto-murya ne kowane adadin pixels ɓataccen da basu rikodin yadda ya kamata. A wasu kalmomi, tambayar kamera don ƙoƙarin ƙirƙirar wani hoton a cikin saitunan ISO mafi ƙarancin zai iya daidaitawa hoto, kuma wannan shine abin da na'urar IS ke yi.
Wasu kyamarori ma suna kallon hotunan hoto na zamani don bayyana wani software wanda aka gina a cikin kyamarar kyamara wanda yayi ƙoƙarin rage girman ƙuri'a bayan ka ɗauki hoto, kama da abin da za ka iya yi tare da software na gyarawa akan kwamfutarka. Irin wannan nau'i na dijital IS shine mafi tasiri a cikin kowane nau'i na hotunan hoto, duk da haka.
Dual YAKE
Dual IS ba abu ne mai sauƙi ba tare da saukowa, kamar yadda masana'antun ke bayyana shi daban. Mafi mahimmanci na ma'anar hoton hotunan hoto ya haɗa da haɗakar ƙarfafawar kayan aiki (kamar yadda aka samo tare da IS mai gani) kuma ƙara ƙwarewar ISO (kamar yadda aka samu tare da dijital YA).
A wasu lokuta, ana amfani da samfurin hotunan hoto biyu don bayyana gaskiyar cewa kyamarar lambobin lantarki na SLR (simintin ruwan tabarau daya) yana dauke da fasahar hoton hotunan a cikin jikin kyamara kuma a cikin ruwan tabarau na tsakiya
Yin aiki ba tare da IS
Wasu tsofaffin kyamarori na dijital ba su bayar da kowane irin IS ba. Don hana rakewar kyamara a cikin kyamarar kyamara wanda ba ya samar da hotunan hoto, gwada waɗannan shawarwari:
- Tsayar da kyamara a kan tafiya.
- Yi amfani da maƙalli mai kama da kamara, maimakon LCD, don ƙaddamar da harbi.
- Yi aiki da kanka kamar yadda kake harba ta hanyar haɗuwa da bangon ko ƙofar.
- Yi gyaran kafa a gefen jikinka kuma ka riƙe kamarar ta hannun hannu biyu.
- Shoot a cikin sauri gudu gudun gudu duk lokacin, wanda ba koyaushe wani zaɓi mai amfani.
Don & # 39; T Ya kasance Fooled
A ƙarshe, tabbatar da fahimtar abin da kake sayarwa idan ya zo da samfurin ɗaukar hoto a cikin kamarar ka. Wasu masana'antun, musamman ma wadanda ke da nau'ikan farashi, za su yi amfani da maɓallin ɓatarwa, irin su yanayin ƙyama ko fasaha mai tsada, don ƙoƙarin ɓoye gaskiyar cewa kyamarar su ba ta ba da IS ba. Irin waɗannan na'urori suna yawan ƙaruwa ne kawai don rage yawan hotuna, wanda wasu lokuta yakan haifar da wasu matsalolin da ake iya ɗaukar hotuna, don haka ya lalata siffar hoto.
A matsayin bayanin da aka kara, wasu masu samar da kyamarori na dijital suna da sunayen alamun musamman don ingantawa hotunan hoto, ƙara ƙarin abubuwa ga mai turawa (kamar muna bukatar rikicewa). Alal misali, Nikon wani lokaci yakan yi amfani da "Ƙarƙwasawa na Gyara," kuma Sony na amfani da "Super Steady Shot" don amfani da IS ɗin mai mahimmanci. Canon ya kirkiro wani nau'i na hotunan hotunan da yake nunawa a matsayin mai hankali IS.
Kafin sayen wani samfurin, tabbatar da cewa sunan sa yana nufin mai amfani IS kuma ba wasu nau'i na dijital IS. Ya kamata ku iya samun wannan bayani a kan shafin yanar gizon kuɗi ko daga mai sayar da tallar amana a kantin kyamaranku.
Yawancin kyamarori na zamani ba kawai sun haɗa da IS ɗin mai gani ba ko kuma sun haɗa da wasu nau'o'i na dual IS, don haka gano kyamarar kamara don saduwa da bukatunku na hotunanku bai zama muhimmiyar damuwa ba kamar yadda ya kasance shekaru da yawa da suka shude. Duk da haka, samun kyakkyawar tsarin hoton ɗaukar hoto yana da mahimmanci ga nasarar da aka samu na kyamara ta digital cewa yana da daraja sau biyu ka duba kyamararka yana da mafi kyawun IS. Kar ka manta don bincika samfurin jaddada kyamara don nau'in hoton hoto wanda ke samuwa!