Koj tau thaum kawg txiav txim siab los hloov ntawm lub koob yees duab digital digital mus rau DSLR. Nov yog ib kauj ruam loj heev rau cov kws yees duab xav tau. Tab sis kev yuav DSLR tsis nyob hauv nws tus kheej tig koj mus ua tus kws tshaj lij. Thawj qhov kev txhaj tshuaj nrog DSLR tuaj yeem ua rau poob siab, thiab koj tuaj yeem xav rov qab mus rau lub koob yees duab compact dua. Tab sis lub ntsiab tseem ceeb ntawm no yog kom tsis txhob ntshai, tab sis kom paub daws cov ntsuas tshiab rau koj.
Nws yog qhov tsim nyog
- - Koob yees duab,
- - kev yees duab tas li,
- - Cov kev qhia siv rau lub koob thaij duab SLR.
Cov Lus Qhia
Kauj ruam 1
Nyeem cov lus qhia. Ua tib zoo kawm cov cai rau khaws cia thiab thauj cov koob yees duab. Ua neeg paub zoo txog kev saib xyuas koj lub koob yees duab thiab lub lens. Thiab, qhov tseem ceeb tshaj plaws, saib lawv. Khaws cov lus qhia ua ke, ua rau nws ib ntawm koj phau ntawv siv. Koj tuaj yeem tso nws hauv qab koj lub tog hauv ncoo kom npaj txhij nrhiav tau txoj kev daws teeb meem txawm tias tsaus ntuj. Tiag tiag ho, kawm cov lus qhia yog thawj thiab theem pib ntawm kev nrog rau cov txheej txheem nyuaj. Tsis tsuas yog nrog lub koob yees duab. Tsis txhob tsis quav ntsej txoj cai tseem ceeb no.
Kauj ruam 2
Kawm los tuav koj DSLR kom zoo. Rau qhov no, qhov txaus txaus, koj yuav tsum kawm paub sawv khov kho. Nco ntsoov tias koj txhais taw yog lub xub pwg-dav sib nrug. Sawv ntsug kom nws yooj yim tshaj plaws los muab daim duab. Yog tias yuav kom thaij tau duab, koj yuav tsum tau zaum - ua nws. Tus kws yees duab yuav tsum txav tawm hauv qhov uas tsis muaj dab tsi txwv nws lossis cuam tshuam nws kev tua.
Kauj ruam 3
Tuav lub koob yees duab kom zoo. Muab sab cev nrog koj sab tes xis thiab txhawb lub lens nrog koj sab lauj (hauv qab, nrog koj tus ntiv tes xoo ib nrab-qhwv lub lens). Tsis txhob saib xyuas txoj siv sia. Txhua zaus yuav tsum coj nws ncig ntawm koj lub caj dab. Ua ntej tshaj, nws yuav tiv thaiv lub koob yees duab tsis ntog thiab yog li khaws cia qhov tuaj yeem lav kho. Qhov thib ob, txoj hlua khawm tuaj yeem cia li dai ze ntawm tes thiab cuam tshuam nrog koj cov duab thaij duab. Zam zam qhov tsis xis nyob, vim tias qhov kawg siv txoj siv sia tuaj yeem qhwv ncig ntawm koj txhais tes.
Kauj ruam 4
Tuav koj lub koob thaij duab kom khov. Lub sijhawm ntawm kev tua, nws yuav tsum tau tsau hauv koj txhais tes lossis hauv ib qho chaw kos kom pom tseeb kom tau txhaj tshuaj. Yog tias koj tsis muaj qhov kos, nias koj lub luj tshib kom ze rau lub cev, tuav koj cov pa thaum tua.
Kauj ruam 5
Sib tua siv cov khoom siv kho qhov muag. Ntau ntawm lawv muaj lub diopter muaj nuj nqi ua nyob rau hauv, yog li yog koj muaj teeb meem tsis pom kev, koj tseem tuaj yeem nqa cov duab zoo. Lub vijtsam LCD tuaj yeem siv rau kev pom duab, tab sis tsis yog rau kev thaij duab. Raws li txoj cai, lub vijtsam LCD tsis muab lub hom phiaj duab tsis hais txog ntawm cov duab lossis qhov ua kom pom xim.
Kauj ruam 6
Coj kom zoo dua qhov zoo ntawm DSLR koob yees duab: qhov tob ntawm daim teb (qhov tob ntawm daim teb). Ntawm kev cog lus ntawm lub koob yees duab, cov duab feem ntau yog ntse thoob plaws txhua qhov chaw. Cov koob yees duab SLR muaj qhov muaj peev xwm kho qhov DOF. DOF yog kho tau siv cov ntawv sau npe. Cov. ntawm qhov siab tshaj plaws qhib aperture, qhov khoom ntawm lub teeb uas tsom iav yog ntse, qhov seem ntawm lub tshav yog qhov muag plooj. Kuj tseem nco ntsoov, ntev npaum li cas focal ntev ntawm lub koob yees duab, DOF tsawg.
