A DSLR, lossis digital ib lub lens reflex, lub koob yees duab yog lub koob yees duab uas muaj cov khoom siv kho qhov muag thiab cov txheej txheem ntawm SLR, lossis ib lub lens reflex, lub koob yees duab thiab cov peev xwm ntawm lub koob yees duab digital. Lub koob yees duab DSLR yog ib qho ntawm cov koob yees duab nrov tshaj plaws ntawm kev ua lag luam vim tias lawv ntes cov duab zoo, tab sis kuj yooj yim siv.
Yuav kom nkag siab tias lub koob yees duab DSLR ua haujlwm li cas (thiab dab tsi ua rau lawv nrov) nws yog qhov yuav tsum tau ua ntej nkag siab tias nws ua ntej, lub koob yees duab SLR ua haujlwm li cas.
Yuav ua li cas SLR koob yees duab ua haujlwm
Tej zaum koj yuav tau pom lub koob yees duab SLR thiab tsis paub nws. Cov no yog cov koob yees duab zaj duab xis uas tau nrov nyob rau hauv nruab nrab mus rau lig-1990s. Lawv muaj lub koob yees duab lub cev uas tuaj yeem hloov pauv tau cov lo ntsiab muag ntxiv. Cov lo ntsiab muag no tuaj yeem sib txawv, nyob ntawm seb hom duab uas tus kws yees duab xav ntes. Tsis zoo li niaj hnub no cov koob yees duab digital, cov kws yees duab yuav tsum thauj cov duab thaij duab rau hauv lub cev ntawm lub koob yees duab ua ntej yuav thaij duab.
Thaum cov yeeb yaj kiab tau thauj khoom, lub koob yees duab tau ua haujlwm siv tus qauv reflex. Lub teeb tau taug kev los ntawm lub koob yees duab lens mus rau daim iav uas qhia txog cov duab lub koob yees duab tau tsom mus rau lub pentaprism, uas coj cov duab meej mus rau qhov pom pom.
Pre-owned SLR koob yees duab tseem tuaj yeem pom, tab sis cov tuam txhab tsis tsim cov koob yees duab SLR lawm. Txawm li cas los xij, koj tseem tuaj yeem yuav cov duab thaij duab rau lub koob yees duab SLR thiab tseem muaj ob peb lub chaw sim uas yuav tsim cov duab thaij duab. Yog tias koj xav tau lub tswv yim ntawm yuav ua li cas lub koob yees duab SLR ua haujlwm yam tsis tau sim yuav ib qho, pov tseg (tseem hu ua ib leeg-siv) cov koob yees duab ua haujlwm ntawm tib lub hauv paus ntsiab lus xws li SLR koob yees duab, tab sis lawv yuav luag ib txwm muaj qhov teeb tsa 35 hli nkaus xwb.
Thaum tus kws yees duab npaj txhij los thaij duab, nws nias lub khawm kaw, uas tig daim iav tawm ntawm txoj kev kom cia cov duab tso rau hauv zaj duab xis. Cov chaw uas tau hloov kho manually los ntawm tus kws yees duab txiav txim siab ntev npaum li cas lub shutter nyob twj ywm qhib kom ntes cov duab.
Tom qab ntawd, ib zaug tau ntes tau ib daim duab, tus kws yees duab yuav tsum tau ua cov yeeb yaj kiab ua ntej siv lub zog ntawm lub koob yees duab sab saum toj, txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm, tus kws kho mob yuav tsum ua tib zoo saib xyuas cov yeeb yaj kiab. Tus kws yees duab kuj tseem yuav tau kho qhov chaw ntawm lub koob yees duab lossis qhov tsom ntawm lub lens ua ntej cov duab tom ntej no raug ntes.
Dab tsi ua rau lub koob yees duab SLR zoo kawg li thaum lub sijhawm yog lub iav tsom iav muaj peev xwm. Qhov no tso cai rau tus kws yees duab pom los ntawm tus saib pom (ua ntej daim duab raug coj), cov duab tseeb uas yuav tshwm sim hauv zaj duab xis.
Yuav ua li cas lub koob yees duab DSLR ua haujlwm
A DSLR lub koob yees duab ua haujlwm ib yam li lub koob yees duab SLR ua haujlwm nrog ib qho kev hloov pauv tseem ceeb - tsis yog siv lub teeb-sensitive zaj duab xis, DSLR koob yees duab (qee zaum hu ua Digital SLR) siv digital imaging sensors, los ntes cov duab uas tau tshwm sim. nyob rau hauv tus saib finder los yog ntawm cov zaub screen. Tus kws yees duab tseem pom cov duab tseeb uas tau ntes tau, nws tsuas yog txoj kev ntawm kev ntes uas txawv.
Tshem tawm cov yeeb yaj kiab los ntawm lub koob yees duab kuj tso cai rau qee qhov kev nce qib ntxiv hauv kev siv tshuab ntawm lub koob yees duab ua haujlwm li cas. Piv txwv li, tsis yog yuav tsum tau ua tus yees duab ua ntej ua ntej tom qab txhua lub kaw lus kaw, DSLR tuaj yeem ntes ib daim duab thiab tom qab ntawd tam sim ntawd ntes lwm tus sai li sai tau thaum tus kws yees duab tuaj yeem nias lub khawm kaw dua. Qee zaum, qhov no txhais tau tias cov kws yees duab tuaj yeem ntes tau ntau dua, thiab zoo dua, cov duab zoo dua li yav dhau los.
Digital dluab uas tau ntes los ntawm DSLR koob yees duab tau muab cia rau hauv DCIM (Digital Camera Images) folder ntawm SD card. Cov duab tuaj yeem rov qab tau los ntawm daim npav cia los ntawm lub khoos phis tawj siv kev sib txuas ntawm lub koob yees duab thiab lub khoos phis tawj lossis siv tus nyeem ntawv SD card. Raws li SD phaib (thiab lawv cov XD daim npav sib koom ua ke) nce hauv cov peev txheej khaws cia, cov kws yees duab tuaj yeem thaij duab ntau thiab ntau dua yam tsis tas yuav txhawj txog tus nqi ntawm cov khoom siv lub cev.
Tsis txhob yuam kev DSLR koob yees duab nrog lub koob yees duab taw tes thiab tua. Lub koob yees duab point-and-shoot tsis muaj qhov hloov pauv tau (lawv feem ntau hu ua lub lens ruaj khov), thiab feem ntau tsis muaj lub peev xwm lens reflex uas tso cai rau koj pom cov duab meej uas koj tab tom ntes los ntawm qhov pom. nrhiav.
Vim li cas lub koob yees duab DSLR thiaj nrov?
Zoo li lub koob yees duab SLR, DSLR koob yees duab muaj qhov hloov pauv tau - koj tuaj yeem muaj lo ntsiab muag rau cov duab ze, ib qho rau cov duab dav dav, thiab lwm qhov rau cov duab ntev. Qhov ntawd yog ib feem ntawm qhov ua rau cov koob yees duab nrov; lawv muaj ntau yam. Tab sis qhov ntawd tsis yog vim li cas cov kws yees duab ntawm txhua qib xaiv DSLR koob yees duab.
Lwm qhov laj thawj yog tias lub koob yees duab DSLR tau siv yooj yim dua. Feem ntau cov koob yees duab DSLR muaj ntau hom kev tua, thiab txawm tias cov kws yees duab tshiab tshaj plaws tuaj yeem kawm tau hom kev tua tsis siv neeg sai vim tias lub koob yees duab ua txhua yam haujlwm rau koj. Piv txwv li, thaum tua cov duab ntawm DSLR uas tau teeb tsa rau Auto Hom, lub koob yees duab siv cov sensors los txiav txim siab theem ntawm lub teeb uas hla mus rau cov duab sensor thiab tig rau lub teeb hauv cov xwm txheej qis. Nws muaj nws pib-focusing lo ntsiab muag yog li tsis tas yuav txhawj xeeb tias koj cov duab yuav plooj. Qee lub koob yees duab kuj tau tsim hauv cov ntxaij lim dej lossis Scene Hom kom paub meej tias qhov tob ntawm daim teb, qhov sib npaug dawb, thiab xim saturation yog qhov tseeb rau cov duab uas koj tab tom sim ntes.
Rau cov kws yees duab siab dua, muaj cov qauv kev thaij duab uas tso cai rau tus kws yees duab los kho qhov ceev ceev, qhov tob ntawm qhov chaw, thiab ntau ntxiv. Lub lo ntsiab muag ntawm DSLR cov koob yees duab kuj tuaj yeem hloov kho los ntawm nws pib tsom mus rau phau ntawv-tsim kom tso cai rau kev tswj hwm ntau dua li cas tus kws yees duab xaiv tsom rau ib feem ntawm daim duab.
Qee lub koob yees duab DSLR txawm muaj hom Video uas tso cai rau cov kws yees duab thaij duab zoo nkauj ntxiv rau kev ntes cov duab.
Tus nqi ntawm DSLR koob yees duab
Nqi yog tej zaum yog ib qho laj thawj zoo tshaj plaws uas cov koob yees duab DSLR nrov. Thawj lub koob yees duab DSLR tau tshaj tawm (1991, Kodak DCS-100) yog tus nqi nyob ib ncig ntawm $ 13, 000. Tab sis raws li hom ntawv tau loj hlob hauv qhov chaw, tus nqi tau poob. Nkag qib DSLR tus nqi pib ntawm ib ncig ntawm $ 250- $ 300, nyob ntawm qhov chaw tsim khoom, lub koob yees duab zoo, thiab tus naj npawb thiab hom lo ntsiab muag suav nrog lub koob yees duab lub cev. Cov koob yees duab zoo dua, qib kev tshaj lij DSLR tseem tuaj yeem raug nqi siab dua $ 5, 000 lossis ntau dua, thiab cov lo ntsiab muag tshwj xeeb tuaj yeem raug nqi ob npaug.
Rau qhov nruab nrab tus kws yees duab, txawm li cas los xij, lub koob yees duab DSLR tus nqi tsim nyog yuav muab tag nrho cov peev xwm tua uas xav tau kom yooj yim ntes cov tsev neeg zoo thiab cov duab hnub so. Thiab yuav siv lub koob yees duab lo ntsiab muag tuaj yeem pab txo tus nqi thaum nthuav koj lub koob yees duab lub peev xwm.
