Sony A7S: kev ntsuam xyuas, kev txheeb xyuas, cov duab, specifications

Lub koob yees duab Sony A7S, ib tug txheej txheem cej luam uas yog nyob rau hauv no tsab xov xwm, nws ua nws debut nyob rau hauv lub domestic kev ua lag luam nyob rau hauv 2014. Tus qauv yog ib zajlus kom continuation ntawm txoj kab full-ncej pab kiag li lawm los ntawm no chaw tsim tshuaj paus, uas ib lub xyoo dhau los ua ib tug tiag tiag kiv puag ncig nyob rau hauv nws ya, muaj ua nyob rau hauv nws cov feem ntau compact koob yees duab. Thaum lub sij hawm no, lub Japanese developers muaj kev tswj los mus ua kom ib tug kiv puag ncig nyob rau hauv cov nqe lus ntawm kev tsim dluab mirrorless lub koob yees duab nyob rau hauv ib feem tsawg tsawg lub teeb.

tsim

Externally, tus novelty yog heev uas zoo sib xws rau nws predecessors - A7 qauv thiab A7R. Qhov ntev lub cev ua los ntawm ib tug magnesium alloy, roos 126,9h94,4h48,2 millimeter. Tus ntaus ntawv nyhav 446 grams. Yog li, thaum lub sij hawm ntawm lub community launch, Sony A7S lub koob yees duab tau ua qhov tseem compact daim ntawv qhia txog ncej koob yees duab nrog interchangeable lo ntsiab muag rau lub ntiaj chaw. Tsim nyob rau hauv ib tug retro-style qauv zoo thiab yog ntaus nqi raws li ib tug heev kim tshaj plaws. Nyob rau hauv qhov tseeb, txoj kev uas nws yog. Lub enclosure muaj ib tug lub mloog pob ntseg jack thiab tso suab microphone. Nyob rau nraum qab sab yuav pom LCD-zaub ntsuas peb nti, txawm peem rau nrog ib tug tig mechanism, thiab ib tug viewfinder uas nws daws teeb meem yog 2.4 lab pixels.

Raws li evidenced los ntawm heev heev qauv sab laug los ntawm tus tswv ntawm Sony A7S xyuas, video capture tshwm sim ib co inconveniences. Qhov no yog vim lub fact tias lub screen tsis yog ib tug kov npo, uas yog ib tug me ntsis disappointing rau hauv xws li ib qho kim koob yees duab.

optics

Ua ntej yuav khoom no hom ntawm lub koob yees duab kws txawj pom zoo kom mus saib ntau yam ntawm optics, uas nws muab. Qhov kev xaiv ntawm ncej tas lo ntsiab muag rau cov qauv no, raws li ntawm niaj hnub no, yuav tsum tau hu ua ib tug heev meager. Qhov loj tshaj kev txaus siab ntawm qhov tam sim no sawv cev rau cov kev ua lag luam lo ntsiab muag ua rau Zeiss 24-70 hli f / 4. Nws yog zoo meej rau txoj kev kom tseem duab thiab cov yeeb yaj duab, tab sis yog heev kim. Siv lub sab ntawm lub lens yog tsis heev tsim nyog, txij thaum lawv installation yuav tsum tau tshwj xeeb adapters rau cov uas, ib yam nkaus thiab yuav tsum tau them. Nyob rau hauv tas li ntawd, nyob rau hauv xws li mob feem ntau suffers kho qhov muag stabilization thiab pib kom pom tseeb ceev. Lwm zis yuav tsum tau hu ua A-mount lo ntsiab muag, tab sis lawv yog distinguished los ntawm ib tug loj nyhav thiab qhov ntev, thiab yog li ntawd offset los ntawm lub compactness ntawm lub koob yees duab. Peb yuav tsuas cia siab tias muaj yog poj thov rau tus qauv yuav ua rau lub fact tias cov Japanese yuav ua rau kom nyob rau hauv lub nyob ze yav tom ntej ntau yam ntawm Fe lo ntsiab muag.

matrix

Lub koob yees duab Sony A7S nruab nrog ib tug tag nrho-ncej hli 35 Exmor CMOS matrix ntawm 12.2 megapixels. Nws boasts zoo kawg li rhiab heev. Nyob rau hauv kev, ISO loj thaum photographing yog nyob rau hauv ntau ntawm 50 mus rau 409600, thiab rau tsim video - los ntawm 100 mus 409600. Nyob rau hauv cov ntaub ntawv no, nws yuav tsum tau muab sau tseg es tsis muaj suab nrov ntau ntau ntau. Piv nrog rau ntau ntau lwm yam neeg-theem koob yees duab nrog ib tug tag nrho cov ncej qauv muaj ib tug me ntsis loj pixel loj. Nyob rau hauv lwm yam lus, qhov no txhais tau tias txhua tus taw tes yog lub peev xwm los mus sau ntau lub teeb.

tswj

Rau kev haum ntawm cov feem ntau tseem ceeb yog ua tau nphav raug (iris, shutter ceev thiab ISO) nyob rau hauv lub koob yees duab Sony A7S muab peb dials. Feem ntau ntawm cov nyees khawm tau programmed kom ua lwm zog. Nyob rau hauv lub feem ntau mus siv cuag thiab yooj yim qhov chaw lub developers tau teem shortcut daws kom sai nkag tau rau hauv tseem ceeb tshaj plaws qhov chaw. Ib tug tseem ceeb drawback tej zaum yuav hais no hais tias tus palpable tswv yim twb tsis muaj shutter khawm. Thaum lub tshuab hluav taws xob shutter tsis nkag tsis muaj suab, yog li ntawd cov neeg siv tej zaum yuav tsis paub hais tias tus ntaus ntawv pib shooting. Direct pib shooting ib tug yeeb yam khawm vim yog heev seeb, uas yog heev coj txawv txawv rau cov ntaus ntawv yog positioned raws li ib tug lub koob yees duab rau movies.

Qhov zoo tshaj ntawm cov dluab

Raws li twb hais saum toj no, lub koob yees duab muaj ib tug matrix ntawm 12.2 megapixels. Nyob rau hauv no hais txog, uas rau cov kev pab los ntawm Sony A7S yees duab yuav tsum luam nyob rau hauv siab daws teeb meem hom txawm nyob rau daim nplooj A-4. Nyob rau tib lub sij hawm thaum ib tug ntxiv nce nyob rau hauv cov duab zoo yog poob ho. Rau cov neeg uas tsis yog siv los sau cov duab, tsuas downside yuav muaj lub sij hawm txuam nrog lawv tej. Txawm nws yog, xws li ib tug feature ob peb cov neeg siv feem ntau. Nyob rau hauv tag nrho cov lwm yam tshwj xeeb neeg pab leg ntaubntawv mus rau qhov zoo ntawm cov duab no tsis yog.

Qhov no tej yam txaus siab yog cov muaj peev xwm ntawm cov koob yees duab tua nyob rau hauv tsawg lub teeb tej yam kev mob. Nyob rau hauv cov nqe lus ntawm kev nthuav dav thiab suab nrov qauv yog superior rau lub predominant feem ntau ntawm cov neeg sib tw nyob rau hauv nws chav kawm ntawv. Nyob rau ntau photosensitive pab kiag li lawm los sib tham ua ntej lawm. Tsis ceeb, lub koob yees duab qhia tau hais tias thaum lub sij hawm shooting duab thiab video yooj. Yog li, tus neeg siv yuav tsum tau tsis muaj ib tug mus tas accessory, uas, li cas los xij, yeej tsis ua tus zoo ntxim.

videography

Tam sim no ib ob peb lo lus hais txog kev tsim yeeb yaj duab Sony A7S qauv. Cov yam ntxwv ntawm tus ntaus ntawv tso cai rau koj mus tua cov yeeb yaj duab nyob rau hauv 1080p los yog 720p. Nyob rau hauv no ncej tus nqi nrog rau cov ntau hom. Nyob rau hauv rooj plaub thawj lub xov tooj ib thib ob yog 24, 30 los yog 60, nyob rau hauv lub thib ob - 120. Nyob rau hauv thiaj li yuav sau nyob rau hauv 4K hom, koj yuav tsum mus yuav ib tug sab nraud cia ntaus ntawv, vim hais tias nws tsis muab lub peev xwm los txuag cov lus qhia txog internal cia. Yuav hais tias ua nws yuav ua tau, cov kev txwv txuam nrog lwm hom, yog tsis tuaj kawm ntawv. Ntxiv mus, qhov zoo ntawm lub ntes yees duab hauv ib tug heev theem siab. Xyuas cov tswv tsev qhia tias cov duab no yog tseeb thiab siv lead ua ntshiab, thiab cov ib txwm raug neeg cov koob yees duab lub moire qauv rau nws muaj. Raws li cov neeg sawv cev ntawm lub chaw tsim tshuaj paus, mus cuag no lawm lom zem ntau vim kev siv XAVC codec.

Teem tsuas yog nyob rau filming qauv Sony A7S ua tsis tau tsuas yog cov kev kho vajtse specifications, tab sis kuj cov software tuition. Ib qho ntawm feem nthuav nta ntawm nws nyob rau hauv qhov ntsiab lus teb yog tus xub ntiag ntawm cov xim profiles, ua tsaug rau uas nws tseem tau los ua high-zoo kho ntawm lub resulting khoom.

Ergonomics thiab lag luam

High quality ntaub ntawv uas siv nyob rau hauv qhov siv thiab ua cov koob yees duab yuav tsum muaj kev twb nyob rau hauv thawj kov rau nws. Nws compact loj thiab casing txheem lens ntaus ntawv yuav tsum tau hnav tsis muaj qhua tag nrho ib hnub. Nyob rau hauv kov yog ib tug yooj yim ntiv tes xoo ledge, yog li ntawd tus dais no yog xis txawm muaj ib txhais tes. Nyob rau tib lub sij hawm thaum uas siv cov loj lo ntsiab muag, muab los ntawm lwm yam qauv, no mas, tej yam tsis txaus.

Raws li tus tswv ntawm qhov txheeb xyuas Sony A7S, qauv tsis zoo tiv thaiv tiv thaiv huab cua surprises thiab hmoov av, thiab yog tsis heev haum rau tej kev lag luam nyob rau hauv cov huab tej yam kev mob thaum piv rau zoo xws li pab kiag li lawm nyob rau hauv nws cov nqi ya.

autonomy

Tus txheem tsev muaj xws li ob roj teeb rechargeable. Qhov no yog vim lub fact tias nyob rau hauv cov qauv no, raws li muab piv rau lub DSLR koob yees duab, lawv zaum zoo nkauj sai sai. Xyuas ntawm cov tswv qhia tau tias tag nrho cov nqi ntawm cov roj teeb kav ib tug nruab nrab ntawm 525 kev txhaj tshuaj. Yuav them cov koob yees duab ntawm ib tug compact thiab yooj yim ntaus ntawv, tog twg los ncaj qha los ntawm lub micro-USB chaw nres nkoj, uas yog heev yooj yim thaum mus txawv tebchaws.

tswv yim

Yuav kom saib lub ntsab lug, nws yuav tsum tau muab sau tseg tias cov qauv muaj ntau yam zoo thiab ib co tsis zoo piv nrog rau lwm cov tswv cuab hauv lawv chav kawm ntawv. Txawm nws yog, cov neeg uas xav kom tau ib yam dab tsi zoo dua qhov nrov ncej tas Canon koob yees duab rau txog tib cov nyiaj, nws yog ib qho tseem ceeb them sai sai mus ntaus ntawv no. Thaum lub sij hawm nws yug los, nws yuav khav ntawm ib tug zoo cia rau lub neej yav tom ntej, tshwj xeeb tshaj yog yog hais tias nws tswv muaj lub sij hawm los yog siv ob peb puas nyiaj rau ib lwm tsav rau cov ntaubntawv povthawj siv cov yeeb yaj duab nyob rau hauv 4K hom. Niaj hnub no Sony A7S qauv yuav tsum tau hu ua ib tug tsim nyog dabtsi rau cov neeg uas muaj ib qho tseem ceeb raws li kev yees duab thiab video shooting.