Hnub yug ntawm tus menyuam, kev mus ncig, tsev neeg kev ua koob tsheej - ib qho ntawm cov laj thawj no tuaj yeem yog qhov laj thawj zoo rau kev yuav lub koob yees duab. Koj tuaj yeem xaiv lub koob yees duab los ntawm pheej yig heev rau kim heev, nws tsuas yog ib qho tseem ceeb kom paub txog cov yam ntxwv twg yam xav tau yuav yuav tsum muaj.
Dab tsi yog DSLR koob yees duab
Niaj hnub no, feem ntau-ib leeg-lens reflex yees siv. Cov koob yees duab no siv daim iav tshem mus los coj ncaj teeb ntawm lub lens rau pentaprism ntawm lub viewfinder. Lub pentaprism yog tsib-daim qauv, daim iav zoo li tus qauv tsim uas ua rau tus duab tsis tso hauv duab saib. Cov khoom khib nyiab ua lub luag haujlwm ua cov khoom siv rau kev ua thawj chav kawm ntawv qib siab; cov kev xaiv pheej yig dua yog cov yas. Qhov zoo dua ntawm cov kab ke zoo li no yog tias cov duab xa mus rau cov kho qhov muag tsis muaj qhov tsis zoo rau daim duab. Cov khoom tseem ceeb ntawm DSLRs: cov duab zoo tshaj plaws, ceev ceev autofocus, siab ceev kaw, tsim nyog rau cov haujlwm nthuav dav.
Kev Txiav Txim Siab Thaum Xaiv DSLR
Lub koob yees duab DSLR yog qhov kev xaiv tsis yog rau cov kws tshaj lij xwb, tab sis kuj rau cov neeg tuaj sib tw uas xav tau kom mus txog qhov zoo ntawm cov txuj ci tshiab. Thaum txiav txim siab seb puas yuav yuav lub koob yees duab DSLR, koj yuav tsum nkag siab qhov yam ntxwv twg tseem ceeb.
Lub koob yees duab DSLR muaj ob ntu: ib lub cev thiab lub lens.
Thaum xaiv cov cev tuag, lub ntsiab lus tseem ceeb yog qhov loj me ntawm lub cev. Qhov tseeb, lub matrix yog ib hom ntawm zaj duab xis thav duab. Qhov loj dua qub ntawm lub cev qhov loj ntawm lub tsev loj, lub suab nrov tsawg thiab ntau cov duab ntxoo hauv cov duab. Nws raug nquahu kom xaiv matrix nrog qhov sib npaug ntawm tsawg kawg 3: 2, qhov loj txog li 24x18 mm. Puv-24x36 hli sensors siv rau hauv cov koob yees duab tshaj lij, uas cuam tshuam zoo rau lawv cov nqi.
Thaum xaiv lub lens, koj yuav tsum tsom mus rau theem ntawm kev txawj ntse: rau tus neeg pib thaij duab, qhov kev xaiv zoo yog lub iav ntses loj uas los nrog lub cev tuag. Rau cov neeg siv khoom siab dua, nws zoo dua yuav daim nyias nyias nqa nyias thiab nyias nyias lub lens.
Cov ntsuas cua tom ntej uas yog qhov tseem ceeb rau kev tsom ntsoov yog cov tsim lub koob yees duab. Peb tus thawj coj suav nrog cov loj heev li Canon, Nikon thiab Sony. Qhov zoo tshaj ntawm cov duab thaij los ntawm cov koob yees duab ntawm peb sab saum toj yog ib yam. Muaj peev nyiaj tsawg, koj tuaj yeem xav txog kev yuav cov koob yees duab los ntawm Pentax, Olympus thiab Samsung.
Qhov twg yuav yuav lub koob yees duab DSLR
Kev xaiv ntawm qhov chaw ntawm kev yuav khoom yog nws kim heev. Koj tuaj yeem yuav lub koob yees duab DSLR nyob rau hauv cov khw muag khoom siv hauv tsev, xaiv los ntawm cov khw online (thiab tus nqi hauv khw online yuav qis dua) lossis ntawm kev twv muag online. Qhov kev xaiv zoo tshaj plaws yog lub khw muag duab tshwj xeeb, qhov uas lawv tuaj yeem muab cov lus qhia uas muaj peev xwm. Ib qho tseem ceeb heev yog qhov muaj peev xwm lav rau lub koob yees duab yuav khoom.
