Yuav ua li cas xaiv ib tug semi-professional lub koob yees duab? Tseem ceeb sib nrauj nyob rau hauv cov kev xaiv ntawm semi-kev koob yees duab

Photo - ib tug heev interesting ce, nws yuav pab peb mus ntes cov feem ntau nthuav lub sij hawm ntawm lub neej thiab qhia los ntawm cov dluab lub mus ob peb vas thiab lub xeev ntawm lub siab. Rau ntau yam kev pab - nws yog ib tug hauj lwm, tab sis rau lwm tus - ib tug hobby, tab sis nyob rau hauv txhua rooj plaub cov duab no yog yeej ib txwm yog ib tug ntawm cov kos duab cov ntaub ntawv. Thiab yog hais tias koj xaiv ib tug ntau dua los yog tsawg tiag nrog digital photography, ces ua ntej koj yuav cia li mus rau cov kev xaiv ntawm ib tug haum rau lub koob yees duab. Vim hais tias kev koob yees duab yog kim, thiab rau cov neeg uas yuav tsum tau koom nyob rau hauv pib xyaum ua noj ib daim duab, tsuas yog tsis txhob xav tau, rau lub hom phiaj no feem ntau haum semi-professional koob yees duab. Txawm li cas los, nws tsis yog ib qho, tab sis, theej vague thiab sab tswvyim. Tam sim no koj paub tias dab tsi nws txhais tau hais thiab yuav ua li cas xaiv ib tug semi-koob yees duab.

Lub semi-professional lub koob yees duab yog txawv los ntawm "Xab npum"?

Qhov no pab pawg neeg ntawm cov koob yees duab yog tsim los rau cov neeg uas muaj me ntsis sij hawm los mus ua rau tus txheej txheem "Xab npum", tab sis leej twg yog tsis mus siv cov koob yees duab rau coj mus muag hom phiaj, uas yog mus ua hauj lwm nyob rau hauv lub studio.

Ua ntej ntawm tag nrho cov, lub koob yees duab yog txawv los ntawm muaj peev xwm mus manually kho cov ISO rhiab heev, hais tias yog, qhov theem ntawm rhiab heev ntawm lub matrix, lub iris tswj tuition thiab raug, phau ntawv kom pom tseeb. Nyob rau hauv tas li ntawd, cov koob yees duab yuav manually teem dawb tshuav nyiaj li cas. Raws li nyob rau hauv tag nrho cov semi-professional koob yees duab, tsis zoo li cov pa "Xab npum", nws yog tau hloov lub lens. Ib tug ntawm cov decisive yam nyob rau hauv kev txiav txim siab uas lub koob yees duab tau xaiv ib tug semi, ib tug ntau yam ntawm lo ntsiab muag ntawm tej hom, uas ua koob yees duab. Yuav ua li cas ntau cov chaw ua si optics nyob rau hauv ib tug lub tuam txhab thiab yuav ua li cas no optics yog muaj nyob rau lub buyer, thiab tej zaum yuav yog nyob ntawm seb cov kev xaiv ntawm lub koob yees duab.

Yuav ua li cas yog lub ISO, shutter ceev thiab aperture?

Yog hais tias koj xav mus nrhiav photography thiab tseem tsis tau ntsib nrog cov tswv yim, ces koj yeej yuav tsum paub dab tsi nws yog. ISO - yog theem ntawm rhiab heev ntawm lub matrix koob yees duab. Lub siab dua tus nqi, ntau dua qhov rhiab heev, tab sis nyob rau ntau dua qhov tseem ceeb ntawm lub popping suab nrov (Tshuag duab plurality ntawm kob pixels). Yog li ntawd nws yog zoo dua yog hais tias tau kom tsis txhob muaj siab dhau heev lawm ISO chaw nyob rau hauv tsawg lub teeb, compensating rau tsawg lub teeb los ntawm lengthening tau nphav raug. Ua ntej koj yuav xaiv ib tug koob yees duab thiab ib tug semi-zaum kawg los txiav txim li cas koj yuav yuav cov qauv no, kom deb li deb li sai tau pom cov duab npaum li cas nrog lub koob yees duab qauv uas muaj ISO chaw, thaum nrug muaj feem luj lub theem ntawm cov suab nrov nyob rau hauv daim duab.

Raug - tus nqi ntawm lub sij hawm thaum lub sij hawm uas tus valve ntawm lub lens thiab cov koob yees duab matrix yog qhib. Qhov no lub sij hawm luv yuav tsum yog los ntawm ib tug ob peb zauv feem ntawm ib tug thib ob mus rau ob peb lub vib nas this. Excerpts los ntawm cov nqi ntawm lub teeb nyob, uas yuav muaj lub sij hawm mus rau lub matrix. Tab sis ntev ntev raug yuav ua nyob rau hauv qhov muag plooj duab, nyob rau hauv thiaj li yuav zam tau qhov no, nws yog ntshaw kom siv ib lub kos.

Aperture - ib tug ntaus ntawv nyob rau hauv lub lens muaj petals. Nws yog tau qhib thiab nkaum qab. Thaum lub aperture nyob rau hauv lub matrix tau txais ntau tshav ntuj, yog li koj yuav tau xa ib tug ceev shutter ceev. Tsis tas li ntawd yuav ua li cas qhib lub diaphragm nyob tob ntawm daim teb (DOF). Yog hais tias lub diaphragm yog qhib, qhov tob ntawm daim teb yuav tsum tau tsawg yog them - ntau.

nta DSLR

Yog li ntawd-hu ua "reflex" - lub koob yees duab, ib daim iav ntaus ntawv uas yog siv, hais tias lub npe implies. Nws yog nyob rau hauv pem hauv ntej ntawm lub matrix ntawm lub kaum sab xis ntawm plaub caug-tsib degrees thiab ua hauj lwm pab rau redirect cov duab los ntawm lub lens ncaj qha mus rau hauv lub viewfinder, nyob rau hauv uas koj saib. Qhov no duab yog inverted, li ntawd, muaj kuj yog ib pentaprism, uas reverses cov duab reflected ntawm daim iav tsim SLR.

Muaj kuj yog ib tug "LayvVyu" hom SLR koob yees duab, uas tso cai rau koj los tso saib ib daim duab rau cov koob yees duab me me screen. Yog hais tias koj tsis npaj siab yuav mus siv tau cov kho qhov muag viewfinder, vim hais tias koj xav kom muab cov duab, tsom rau qhov kev tshuaj ntsuam, rau hauv daim iav nyob rau hauv lub koob yees duab yuav tsis ua tau rau koj mus ua tej yam kev khiav dej num.

Zus tau tej cov xws koob yees duab yog koom nyob rau hauv ntau lub npe, lub npe nrov tshaj ntawm lawv - nws yog "Canon" thiab "Nikon". Cov lus teb rau lo lus nug hais txog dab tsi zoo ntawm ib tug semi-lens reflex koob yees duab xaiv yuav yog nyob ntawm seb koj cov nyiaj txiag tuition thiab tastes thiab nyiam. Thaum xaiv ib tug lub koob yees duab coj los ntawm yuav ua li cas xis nws yog nyob rau hauv nws txhais tes, kom deb li deb raws li muaj ib tug yooj yim cov zaub mov thiab khawm layout, thiab hais txog. D. Thiab, ntawm chav kawm, nyob rau qhov zoo ntawm cov dluab. Koj yuav tau ua ib tug ob peb kuaj txhaj tshuaj los ntawm ntau cov koob yees duab nyob rau hauv lub khw, thiab ces saib nyob rau hauv lub loj screen, uas yog zoo dua. Nyob rau hauv kev zaub ntawm lub koob yees duab los soj ntsuam qhov zoo tshaj ntawm cov duab yog heev yooj yim.

system koob yees duab

System (los yog, raws li lawv yog hu ua, mirrorless) koob yees duab - lub koob yees duab, nyob rau hauv uas muaj yog tsis muaj daim iav thiab pentaprism, raws li, muaj yog tsis muaj kho qhov muag viewfinder. Los ntawm tej yam yooj yim "shoot koob yees duab" yog distinguished los ntawm lub xub ntiag ntawm tag nrho cov koob yees duab phau ntawv muaj nqis, muaj peev xwm hloov lub lens, tus loj dua cov lub cev loj ntawm lub matrix. Nws yog los ntawm no nyob rau qhov luaj li cas thiab zoo tshaj ntawm cov duab. Qhov loj qhov matrix, qhov ntau high-zoo dluab koj yuav tau txais nyob rau hauv tsawg lub teeb, qhov tsawg yuav tsum tau nyob rau tib lub suab nrov. Yog li ntawd, txawm yog tias koj xaiv "Xab npum" nyob rau hauv thawj qhov chaw yuav tsum tau them nyiaj mloog tsis tau lub xov tooj ntawm megapixels, thiab lub cev loj ntawm lub matrix los yog nyob rau cov qoob loo tau. Qoob loo zoo tshaj - ib tug nqi uas qhia tau hais tias yuav ua li cas qhov loj ntawm lub matrix yog tsawg tshaj li tag nrho cov ncej loj (35h24 hli). Piv txwv li, cov qoob loo zoo tshaj ntawm 2 txhais tau tias lub matrix siv nyob rau hauv lub koob yees duab, ib tug 2 lub sij hawm me dua cov tag nrho lub cev loj. Niaj hnub no, cov koob yees duab nrog ncej tas matrix yog tsawg tsawg thiab yog kev, nyob rau hauv tas li ntawd, lawv yog, ntawm chav kawm, yog tus nqi uas siab.

Lub system tseem koob yees duab feem ntau siv ib tug matrix 17,3h13 hli loj, i.e. 3x4 nti. Qoob loo zoo tshaj qhov sib npaug ob. Tsawg zaus siv matrix qoob loo zoo tshaj ntawm 1.5, i.e. lub loj tib yam li nyob rau hauv lub SLR koob yees duab. Cov koob yees duab xws matrices yog feem ntau ua los ntawm "Sony" - yog ib qho ntawm feem nrov manufacturers ntawm mirrorless cov koob yees duab.

Nws tseem yog lub feem ntau zoo-paub manufacturers mirrorless cov koob yees duab yog "Olympus" thiab "Panasonic".

tsev nyob

Yog li ntawd yuav ua li cas xaiv ib tug semi-professional lub koob yees duab, thiab koj xav tau ib tug zoo zoo, nco ntsoov them sai sai mus rau qhov zoo ntawm cov khoom siv hnab yas ntawm lub cev. Tsis tas li ntawd, lub vaj tse tej zaum yuav hlau - nws yog txawm zoo. Nco ntsoov xyuas nrog cov koob yees duab nyob rau hauv lub khw koj yuav tsum nias tag nrho cov nyees khawm kom paub tseeb tias lawv ua hauj lwm zoo thiab tsis tog.

Yog li ntawd yuav ua li cas xaiv ib tug semi-professional lub koob yees duab - ib tug ua hauj lwm lub luag hauj lwm, koj yuav nrhiav tau neeg xyuas txog ib qho kev koob yees duab qauv uas nyiam koj (ua ntej koj yuav nws).

Kos matrix lub koob yees duab ua ntej koj muas nws

Tam sim no koj twb paub yuav ua li cas xaiv ib tug semi-lub koob yees duab, thiab koj yuav mus rau tom khw. Thaum koj twb tau xaiv cov qauv uas koj nyiam, mus xyuas cov kev zoo ntawm nws cov rooj sib txoos, yog los tuav lwm me me xeem - mus xyuas rau lub xub ntiag ntawm ib tug matrix koob yees duab tawg thiab kub pixels. Tawg - cov pixels uas yog inoperative thiab tsis hnov mob mus rau lub teeb, yog dawb point. Kub - kuj puas pixels, uas yog ib txwm ib tug tej yam xim.

Yuav kom ntsuam xyuas cov kev xav tau mus tua cov flash, kaw lub koob yees duab lens thiab ua ib tug ob peb txhaj tshuaj nyob rau txawv tib. Thaum lub sij hawm txoj kev ua no, tus nqi qis tshaj ISO chaw yuav tsum tau teem, lub siab tshaj plaws duab kev daws teeb meem thiab cov suab nrov-cancelling muaj nuj nqi yog muab tua. Tam sim no peb yuav tsum tau saib cov duab ntawm qhov screen loj.

Yog hais tias muaj cov duab nyob rau hauv cov nqe lus ntawm cov xim txawv - lub matrix ntawm kev sib yuav, raws li nws yog ib lub kub heev thiab tuag pixels. Lawv yuav tsum tam sim no rau tag nrho cov, tsis muaj kev zam, dluab yuav los ntawm lub koob yees duab, tshwj xeeb tshaj yog tsis kaj siab yog hais tias lawv muaj nyob rau hauv qhov chaw. Yog hais tias tus yees duab yog dub tag, koj yuav tau xyuam xim coj no lom.