Cov txheej txheem:

Live saib - yog dab tsi? Qhov zoo thiab qhov tsis zoo rau kev siv
Live saib - yog dab tsi? Qhov zoo thiab qhov tsis zoo rau kev siv
Anonim

Lub teeb yog lub ntsiab lus tseem ceeb uas cuam tshuam rau qhov zoo ntawm daim duab. Nws yog nws leej twg tuaj yeem qhia qhov kev xav thiab huab cua ntawm daim duab. Nws yog ib qho tseem ceeb heev uas yuav tsum xav thiab nkag siab nws. Tab sis yuav ua li cas yog tias koj yog tus tswv ntawm lub koob yees duab SLR thiab koj tsis tuaj yeem teeb lub teeb kom raug hauv daim duab? Nws yog dab tsi - live view? Koj yuav pom cov lus teb hauv kab lus.

SLR thiab teeb tsa lub koob yees duab mirrorless

Oddly txaus, tab sis peb yuav pib ua ntej ntawm tag nrho cov qauv ntawm lub koob yees duab - nws ua haujlwm li cas thiab yog vim li cas tus ncej uas peb pom los ntawm viewfinder los yog screen tsis phim cov duab tiav? Nov yog tib txoj kev uas peb tuaj yeem paub tias nws yog dab tsi - live view.

Cia pib nrog SLR ntaus ntawv. Lub koob yees duab muaj lub lens thiab lub koob yees duab nws tus kheej. Lub lens muaj lub nplhaib aperture thiab lo ntsiab muag. Tab sis sab hauv lub koob yees duab nws tus kheej, qhov nthuav tshaj plaws pib. Vim li cas lub koob yees duab hu ua SLR? Nws yog ib qho yooj yim: vim hais tias nyob rau hauv nws lub cev muaj ib tug system ntawm daim iav uas refracts lub teeb los ntawm lub lens mus rau hauv lub viewfinder, zoo li nyob rau hauv ib tug periscope, tab sis tag nrho cov ntsiab lus yog hais tias nyob rau hauv lub viewfinder.viewfinder, peb pom cov duab tiag, thiab tsis yog tus uas lub matrix "pom".

Yuav ua li cas thaum lub snapshot? Daim iav nce, hla lub teeb ntawm lub teeb mus rau lub matrix, lub shutter qhib, thiab beam hits lub matrix, tom qab uas lub shutter kaw. Tab sis muaj ntau dua niaj hnub mirrorless koob yees duab uas tsis muaj daim iav system, txij li thaum ib qho screen yog tso rau hauv lub viewfinder, tshaj tawm cov duab los ntawm lub ntsiab screen ntawm lub koob yees duab. Lawv qhov zoo dua yog dab tsi? Nyob rau hauv cov ntaub ntawv no, los ntawm viewfinder, peb twb pom dab tsi yuav tshwm sim, uas yuav tsis tau hais txog SLR koob yees duab. Nov yog qhov pom nyob tau tsim los rau.

Lub koob yees duab iav ntaus ntawv
Lub koob yees duab iav ntaus ntawv

Definition

Live saib - yog dab tsi? Qhov no yog qhov tshwj xeeb uas tuaj yeem tig koj lub DSLR mus rau hauv mirrorless ib ntus. Thaum lub sij hawm hom no, lub koob yees duab tsa lub iav thiab tso cai rau lub teeb mus ncaj qha mus rau lub matrix, yog li ntawd nyob rau hauv lub screen ntawm koj lub koob yees duab koj yuav saib tau qhov tshwm sim uas koj tau txais nyob rau hauv daim duab. Live saib ua rau nws ua tau kom raug ntsuas qhov raug ntawm tus ncej.

keeb kwm me ntsis

Tseem tsis tau muaj qhov zoo li lub koob yees duab npo. Tsuas yog tom qab ntawd, hauv xyoo 2000s, cov ntxaij vab tshaus tau pib teeb tsa. Tab sis txawm tias tom qab ntawd nws tsis tuaj yeem pom cov duab uas yuav tshwm sim los ntawm lub shutter. Nyob rau hauv cov hnub ntawd, lub vijtsam tsuas yog pom lub koob yees duab teeb tsa thiab ntau yam tsis muaj, xws li lub teeb ntsuas. Thaum lub sij hawm ntawd, tsuas yog "xiav xab npum tais diav" muaj cov duab nyob rau hauv kev saib, thiab txawm tias tsis yog txhua tus ntawm lawv. Tab sis tam sim no peb ua tautxaus siab rau qhov feature ntawm yuav luag txhua lub koob yees duab.

The endured era ntawm "soap tais"
The endured era ntawm "soap tais"

Txoj kev zoo

Dab tsi yog cov txiaj ntsig ntawm kev pom nyob tshaj qhov pom qhov pom ib txwm muaj? Ua ntej, raws li twb tau hais lawm, hom no tso cai rau koj kom raug ntsuas qhov xwm txheej los ntawm kev nthuav tawm tus ncej. Ntawm qhov screen, koj tam sim pom qhov tshwm sim uas koj yuav tau txais thaum kawg. Qhov thib ob, nyob rau hauv hom no, koj tuaj yeem zoom hauv thiab tshawb xyuas qhov tseeb ntawm qhov tseeb, uas yog, nyob rau hauv hom saib, koj tuaj yeem tsom kom raug raws li qhov ua tau. Qhov kev ntsuas no tau txais txiaj ntsig zoo thaum tua macro lossis thaum kaw cov yeeb yaj kiab zoo li qub. Thib peb, tsuas yog ntawm qhov screen koj tuaj yeem pom tag nrho cov ncej ntawm 100% ntawm nws qhov loj me. Tsuas yog 98% ntawm tag nrho cov ncej yog tso tawm nyob rau hauv lub viewfinder, uas yog, ib co nuances yuav tsis nco. Fourthly, qhov no muaj nuj nqi yog insanely yooj yim nyob rau hauv nyuaj shooting tej yam kev mob vim lub fact tias koj pom dab tsi tshwm sim ntawm lub screen, yog li txawm nyob rau hauv tag nrho tsaus ntuj ntawm high ISO qhov tseem ceeb koj yuav pom ib yam dab tsi, thaum lub viewfinder yuav pitch dub. Tsis tas li ntawd, yog tias lub koob yees duab tau nruab nrog lub viav vias zaub, tom qab ntawd thaum tua kev hais kwv txhiaj lossis ib yam dab tsi los ntawm cov ces kaum qis, nws yuav tsis yooj yim rau koj lean thiab saib mus rau hauv lub visor, yog li thaum koj tig lub vijtsam thiab tig rau saib nyob., nws yuav yooj yim rau koj tua.

Flaws

Tam sim no cia tham me ntsis txog qhov tsis zoo ntawm txoj haujlwm no. Dab tsi yog qhov ntes, vim li cas cov tuam ntxhab tsis tuaj yeem tso daim iav? Ua ntej, cov roj teeb khiav tawm sai sai. Thib ob, thaum lub sijhawm ua haujlwm, lub kaw lus qhib, feem,lub matrix saturated nrog lub teeb, thiab raws li koj tej zaum paub, lub matrix muaj ib tug tej yam kev pab. Nws zoo li oversaturate, vim hais tias, zoo li txhua yam photosensitive, nws tuaj yeem tso nws cov peev txheej. Koj tuaj yeem kos ib qho piv txwv nrog zaj duab xis. Vim li cas ho tsis txhob raug tshav ntuj? Tsuas yog vim nws tuaj yeem teeb pom kev thiab koj tsis tuaj yeem thaij duab ntxiv lawm, nws yuav tag nrho cov peev txheej.

Analog yees duab, zaj duab xis
Analog yees duab, zaj duab xis

Ntawm txhua lub koob yees duab, qhov haujlwm no yuav ua haujlwm kwv yees li qub. Dab tsi yog nyob saib ntawm Canon, dab tsi ntawm Sony, dab tsi ntawm Nikon - txhua yam zoo ib yam. Yuav ua li cas tig rau? Xav txog lub koob yees duab Canon 6d ua piv txwv. Txhawm rau ua kom pom nyob, txav tus yees duab xaiv lub joystick. Los yog nyob saib ntawm nws. Thiab ces nyem rau ntawm nws nruab nrab. Qhov ntawd yog nws, koj tau enabled no feature. Ntawm lwm lub koob yees duab, nws tig rau tib txoj kev.

Live saib khawm
Live saib khawm

Zaj lus

Yog qhov kawg ntawm kab lus no. Kuv vam tias koj tau kawm cov lus teb rau lo lus nug ntawm nws yog dab tsi - nyob saib. Peb tau sau tseg rau peb tus kheej qee qhov zoo thiab qhov tsis zoo ntawm kev siv txoj haujlwm no.

Pom zoo: