Lub koob yees duab digital SLR (DSLR) yog lub koob yees duab digital, tab sis tsis yog txhua lub koob yees duab digital yog DSLR koob yees duab. Muaj ntau yam tseem ceeb uas sib txawv ntawm DSLR thiab lub koob yees duab digital ib txwm, thiab paub txog qhov sib txawv no tuaj yeem pab koj xaiv lub koob yees duab zoo rau koj xav tau kev yees duab.
Qhov Sib txawv Ntawm Cov Koob Yees Duab Digital thiab Digital SLR koob yees duab
Ib "lub koob yees duab digital" tuaj yeem yog DSLR, SLT, lub koob yees duab tsis muaj iav, lub koob yees duab choj lossis taw tes thiab tua. Rau lub hom phiaj ntawm qhov kev sib piv no, lo lus "DSLR" yuav siv lub koob yees duab ib lub lens reflex, thaum lub sij hawm "digital camera" yuav siv cov koob yees duab qib digital siv los coj cov ntsiab lus yooj yim thiab tua duab.
Control
Txog tam sim no, qhov sib txawv tseem ceeb tshaj plaws ntawm tus qauv DSLR thiab tus qauv digital lub koob yees duab yog qhov kev tswj hwm tus neeg siv tau tshaj lub koob yees duab nws tus kheej. Rau cov neeg siv siab heev, lub koob yees duab DSLR muaj kev ywj pheej los tswj lub koob yees duab teeb tsa hauv txoj hauv kev uas muab lawv ua tiav kev tswj hwm lawv cov duab. Rau cov neeg siv qis dua, lub koob yees duab taw tes-thiab-tua cov koob yees duab tau yooj yim dua siv tab sis koj muaj kev tswj hwm me me ntawm cov chaw.
Feem ntau cov neeg siv khoom qib digital koob yees duab yuav tsis muab rau koj nkag mus rau cov kev xaiv xws li aperture tswj lossis kev teeb tsa duab ywj pheej. Lawv kuj yuav tsis tso cai rau koj los kho qhov raug mob thaum siv lub teeb tsa built-in thiab lawv ua rau nws nyuaj heev los kho cov teeb tsa ISO.
Ntawm qhov tod tes, DSLR yog tsim los muab cov kws yees duab nrog kev xaiv kom muaj kev tswj xyuas tag nrho cov koob yees duab ua haujlwm. Kev siv cov haujlwm no kom zoo, txawm li cas los xij, yuav tsum muaj qee qhov kev tshawb fawb thiab kev cob qhia. Lub koob yees duab DSLR kuj feem ntau muaj "auto" hom uas siv cov haujlwm no yog tias koj nyiam.
Easy of Use
A DSLR tuaj yeem yooj yim siv raws li cov neeg siv khoom siv thiab tua lub koob yees duab yog tias koj teeb lub DSLR rau hom pib puv. Nyob rau hauv tag nrho nws pib, koj tso cai rau lub koob yees duab los tswj kev tsom xam, ISO chaw, aperture txoj kab uas hla thiab tag nrho lwm yam tsim nyog zog. Hauv qhov kev nkag siab no, DSLR ua haujlwm zoo li lub koob yees duab digital. Lub koob yees duab digital yooj yim dua siv yooj yim vim tias nws muaj tsawg dua kev xaiv thiab kev ua haujlwm los kawm.
Qhov teeb meem yog tias thaum lub DSLR tuaj yeem ua haujlwm li no, nws tsis yog qhov kev nqis peev zoo tshaj plaws los ua yog tias koj npaj rau tsuas yog tua hauv nws pib. Cov koob yees duab DSLR feem ntau tseem kim dua li taw tes thiab tua cov koob yees duab. Yog tias koj xav kawm yuav ua li cas thiaj li siv tau tag nrho cov yam ntxwv ntawm koj lub DSLR kom tau txais txiaj ntsig zoo tshaj plaws ntawm koj cov peev txheej, ces nws yuav xav tau ntau yam kev tshawb fawb thiab ua haujlwm ntawm koj sab.
Responsiveness
Vim tias feem ntau cov neeg siv khoom-theem taw tes thiab tua cov koob yees duab tsis tau nruab nrog lub cuab yeej tso cai rau kev tsom mus rau phau ntawv, lawv tso siab rau nws qhov kev tsom xam. Nws pib tsom rau feem ntau cov neeg siv koob yees duab yog qhov qeeb heev, thiab qhov no ua rau lub sijhawm lag luam thaum lub khawm kaw thiab thaum lub koob yees duab tiag tiag raug ntes.
Los ntawm qhov sib piv, lub koob yees duab DSLR nrog lub lens teem rau kev ceev kom pom tseeb yuav thaij duab tam sim koj nias lub khawm kaw. Lub sij hawm qis qis no txhais tau hais tias koj poob txhaj tshuaj tsawg dua rau lub sijhawm ncua los ntawm qhov pib ua kom pom tseeb qeeb.
Lens Options
A DSLR tso cai rau koj txuas cov lo ntsiab muag sib txawv rau pem hauv ntej ntawm lub koob yees duab, qhov taw tes thiab tua lub koob yees duab tsis. Nrog lub koob yees duab taw tes thiab tua, koj raug txwv los ntawm lub lens uas tsim rau hauv lub koob yees duab nws tus kheej. Qhov no txwv tsis pub koj lub peev xwm kom tau txais kev txhaj tshuaj dav dua, kev txhaj tshuaj zoo macro zoo, thiab qhov tob ntawm qhov chaw rau cov duab. Yog tias lub lens tsis zoo, koj kuj tuaj yeem ntsib cov chromatic aberrations hauv koj cov duab hauv qab lub teeb ci.
Nrog lub DSLR, koj tuaj yeem sib pauv cov lo ntsiab muag rau cov kev xav tau muaj tswv yim sib txawv. Yog tias koj xav tau qhov tob tob ntawm daim teb rau cov duab, koj tuaj yeem siv 50mm f / 1.4 lens. Yog tias koj xav tau qhov dav, nthuav dav toj roob hauv pes, koj tuaj yeem pauv tawm 50mm lens rau 16mm wide-angle lens thiab teeb lub aperture rau f / 8 rau qhov tob ntawm qhov dav thiab zoo heev sharpness. Kev tswj qhov no muab rau koj ua tus kws yees duab yog qhov ntsuas tsis tau.
Sensor Size
DSLRs muaj cov sensors loj dua li cov koob yees duab digital. Qhov no tuaj yeem ua rau muaj kev cuam tshuam loj rau koj qhov tob ntawm thaj teb, thaj chaw saib, thiab tag nrho cov duab zoo.
Ntau tus neeg yuam kev ntseeg tias qhov ntau npaum li cas megapixels ntawm lub koob yees duab sensor yog dab tsi dictates cov duab zoo. Qhov no hmoov tsis yog li ntawd, thiab koj tuaj yeem ua tiav kom tau txais cov duab qis dua nrog lub siab-megapixel sensor yog tias lub sensor tsis loj txaus kom haum rau cov duab zoo li no. Qhov no yog vim li cas cov duab coj los ntawm cov koob yees duab siab-megapixel nrog cov sensors me me feem ntau cuam tshuam rau cov duab siab. Muaj lub koob yees duab nrog 5 lossis 6 megapixels yuav muab rau koj ntau tshaj li cov duab zoo rau txhua qhov loj me.
Cov koob yees duab loj dua feem ntau muaj cov pixels loj dua uas tsim cov duab qis dua txawm tias qhov chaw ISO siab dua, muab DSLR kom zoo dua hauv cov duab zoo tshaj qhov taw tes thiab tua cov koob yees duab digital.
Price
DSLR koob yees duab feem ntau kim dua li qhov yooj yim taw tes thiab tua lub koob yees duab. Tus nqi ntawm lub koob yees duab nws tus kheej tsuas yog qhov pib, vim tias lo ntsiab muag rau DSLRs tuaj yeem raug nqi nyob qhov twg ntawm ob peb puas duas las mus rau ob peb txhiab.
Koj Yuav Tau Txais Dab Tsi?
Thaum kawg, DSLR yog tej zaum tsis yog qhov zoo tshaj plaws peev rau ib tug neeg uas tsis muaj lub hom phiaj ntawm kev kawm siv phau ntawv tswj ntawm lawv lub koob yees duab. DSLRs yog loj, lawv yog complex thiab muaj kim heev. Qhov no yog qhov tseeb tshwj xeeb tshaj yog thaum koj ntsuas tus nqi ntawm cov lo ntsiab muag. Yog tias koj xav kawm ntxiv txog kev yees duab thiab muaj lub siab xav kawm cov tshuab ntawm kev thaij duab zoo, ces DSLR tej zaum yuav yog ib qho kev nqis peev zoo.
Raws li cov thev naus laus zis tshiab ua rau lawv txoj hauv kev mus rau kev lag luam, cov duab nyoos zoo sib txawv ntawm DSLRs thiab cov neeg siv khoom siv thiab cov koob yees duab tua tau me dua. Nrog rau qhov no hauv siab, qhov tseem ceeb tshaj plaws los xav txog thaum koj tab tom yuav ib qho ntawm cov koob yees duab no yog qhov koj yuav txaus siab rau kev tua nrog ntau tshaj. Tsis txhob tau txais DSLR vim koj xav tias yog qhov "cov kws yees duab" xav tau, thiab tsis txhob txwv koj tus kheej rau qhov taw tes thiab tua vim koj xav tias DSLRs nyuaj dhau. Tau qhov koj xav tias yuav muab qhov zoo tshaj plaws rau koj cov nyiaj npib.
