Sony A7 ndi A7R E-mount makamera athunthu opanda magalasi awululidwa

Pambuyo pa mphekesera ndi malingaliro, kwa miyezi ingapo, Sony yalengeza A7 ndi A7R, makamera ang'onoang'ono kwambiri komanso opepuka kwambiri osinthana padziko lonse lapansi.

Makamera awiri omwe akuyembekezeredwa kumapeto kwa 2013 tsopano ndi ovomerezeka. The Sony A7 ndi A7R zakhalapo kuwonetsedwa pagulu ngati makamera ocheperako komanso ochepetsetsa omwe ali ndi chithandizo chamagetsi osinthana.

Amanenedwapo kwa nthawi yayitali, pomwe anthu ena amadzinenera kuti mwina siowona. Komabe, nazi limodzi ndi chithandizo cha magalasi a E-mount.

Optics zamakono za NEX zidzagwira ntchito koma muzochita zokha zokha. Mwamwayi, Sony idawululanso magalasi asanu atsopano a E-mount, yokonzedwa kuti igwire ntchito ndi masensa athunthu.

Pomaliza boma: Sony A7 ndi A7R E-mount makamera opanda magalasi okhala ndi masensa athunthu

Makamera awiriwa amabwera atapangidwanso chimodzimodzi. Matupiwa akuphatikizira chopangira chachikulu cha XGA OLED Tru chopanga ndi madontho 2.4-miliyoni, chomwe ndi chowonera pakompyuta chomwe chikuwoneka ngati pentaprism.

Komabe, pali zosiyana zingapo pamlingo wamkati, kuyambira ndi sensa.

Ngakhale onsewa ndi 35mm Exmor, A7 ili ndi sensa ya 24.3-megapixel yokhala ndiukadaulo wa Hybrid AF. Kuphatikiza ndi Gawo liyenera kulola kamera kuti ipereke liwiro la autofocus mwachangu kwambiri.

Kumbali inayi, A7R imabwera ndi sensa ya 36.4-megapixel yopanda fyuluta yotsutsa komanso ndi Contrast Detection AF. Kuperewera kwa fyuluta ya AA kumasunga mawonekedwe azithunzi, ngakhale zithunzi zimakonda kusintha moiré.

Matupi osindikizidwa ndi nyengo, oyenera kujambula kunja

Zolemba za Sony A7 ndi A7R ndizoyenera zida zapamwamba. Pali purosesa yatsopano yazithunzi ya BIONZ X limodzi ndi WiFi yomangidwa ndi NFC, ndi chophimba cha LCD chosanja cha 3-inchi.

Makamera onsewa ndi otsekedwa nyengo chifukwa chake ojambula sadzadandaula za fumbi ndi chinyezi panthawi yamawonekedwe akunja.

Makanema omwe ali nawo ndiabwino kwambiri ndipo amayamba kujambula kwathunthu kwa HD pamafelemu 60 pamphindikati. Ojambula zithunzi amaloledwa kuwongolera mawu ojambula, komanso kulumikiza kamera ndi chojambulira chakunja kapena kuwonetsa makanema amoyo kudzera pa HDMI.

Chotsani Chithunzi Zoom chawonjezedwanso. Ndiukadaulo womwe umapatsa ogwiritsa ntchito mwayi wojambula zithunzi zozizwitsa, popanda kutsitsa mapikiselo.

A7 ili ndi mfundo zambiri za AF ndikujambula ma FPS ambiri kuposa A7R

Makamera atsopano a Sony E-mount full frame ali ndi chidwi cha ISO pakati pa 100 ndi 25,600. Amawombera zithunzi za RAW, koma samabwera atadzaza ndi thupi, chifukwa chake ogwiritsa ntchito adzadalira magalasi kuti apereke izi.

Onsewa ali ndi nyali yothandizira ya autofocus, koma A7 imabwera ndimalo aku AF. Sony akuti kamera ya 24.3MP imapereka ma 117 AF pomwe A7R ili ndi 25 yokha.

Kuthamanga kwa shutter kumasiyana pakati pa 1/8000 ndi 30 masekondi ndipo palibe kung'ambika, kotero ngati kunja kukuda, mufunika kung'anima kwakunja.

A7R idzachita mpaka 4fps mosalekeza, zomwe ndizokhumudwitsa, koma A7 imafika 5fps yabwino.

Makamera ocheperako kwambiri padziko lonse lapansi komanso opepuka kwambiri

Zonsezi zimayeza 5 x 3.7 x 1.89-inchi, ngakhale A7 imalemera ma ola 16.72 ndi A7R "yokha" ma ola 16.4. Ndiwo makamera apamwamba kwambiri komanso osavuta kwambiri padziko lonse lapansi okhala ndi masensa azithunzi azithunzi.

Ojambula adzatha kuwonjezera khadi limodzi la SD / SDHC / SDXC kuti asunge zomwe zili ndi multimedia. Ndikoyenera kudziwa kuti wowonera adzaphimba 100% ya chimango ndikupereka chiwonetsero cha 0.71x.

Ngati njira zamabuku sizikuthandizani, mudzatha kusankha pakati pamitundu ingapo, monga chithunzi, malo, zazikulu, masewera, kulowa kwa dzuwa, ndi usiku.

Mabanja atsopano a Sony a NEX-FF athandizira kulipira pakati pa -5 ndi +5.

Tsiku lomasulidwa ndi zambiri zamtengo

Sony yakonzekera tsiku lotulutsidwa A7 ndi A7R mu Disembala 2013. Omalizawa adzaperekedwa ngati phukusi lokhalo la $ 2,299.99.

Zogulitsa ndizosiyana ndi A7. Kamera idzatulutsidwanso ndi mtundu wokha wa $ 1,699.99, koma 28-70mm f / 3.5-5.6 lens kit ipezeka kwa ogwiritsa ntchito $ 1,999.99.

Kampani yochokera ku Japan idzagulitsa chosinthira cha LA-EA3 kuyambira Disembala lino, kulola ogwiritsa ntchito kulumikiza magalasi a A-mount pamakamera okwera a E-mount $ 199.99 okha.

Adaputala LA-EA4 ndiyofunikanso ndipo imapereka kuthekera kokweza magalasi a "A" pa A7 ndi A7R, koma imadzaza ndi chithandizo cha SLT autofocus. Zotsatira zake, zidzagula $ 349.99.

Amazon ikutenga kale ma pre-oda a Mtundu wa A7 wokha, zomwe zimawononga $ 1,698, ndi A7R thupi lokha, yomwe yamtengo wake ndi $ 2,298. Kutumiza kumayembekezeka kuyamba pa Disembala 1.

B&H Photo Video ikupereka A7 ndi A7R pamtengo wofanana ndi wogulitsa yemwe wanenedwa pamwambapa, ndiye izi ndi nkhani yongokonda masitolo.