DSLR koob yees duab thiab lwm lub koob yees duab siab heev tua tsis yog cov duab tseem tab sis kuj muaj cov yeeb yaj kiab siab. Qhov kev xaiv HD yees duab tau qhib tiag tiag rau qhov muaj peev xwm ntawm lub koob yees duab digital. Nrog rau DSLR, ntau hom lo ntsiab muag tsim muaj txiaj ntsig zoo thiab kev daws teeb meem ntawm DSLR niaj hnub tso cai rau kev tshaj tawm cov yeeb yaj kiab zoo.
File Formats
Canon DSLRs siv qhov hloov pauv ntawm MOV hom ntawv, Nikon thiab Olympus koob yees duab siv hom AVI, thiab Panasonic thiab Sony siv hom AVCHD.
Txhua cov yeeb yaj kiab tuaj yeem muab txhais ua ntau hom ntawm kev kho thiab tso tawm theem.
Video Quality
Feem ntau ntawm cov prosumer tshiab thiab sab saum toj-kawg DSLRs sau tag nrho 4k ntawm tus nqi ntawm 24 txog 30 ntas ib ob.
Nkag-theem DSLRs feem ntau tsuas yog sau ntawm qhov kev daws teeb meem qis ntawm 720p HD (qhov kev daws teeb meem ntawm 1280x720 pixels) lossis 1080p. Qhov no tseem yog ob zaug qhov kev daws teeb meem ntawm DVD hom, tab sis, thiab ua rau qhov zoo tshaj plaws.
Txawm hais tias DSLR muaj ntau pixels muaj, tsuas yog ob peb lub TV-4k lossis Ultra High Definition-ua si video zoo dua 1080p.
kab hauv qab
DSLRs siv qhov haujlwm no los kaw cov yeeb yaj kiab HD. Lub koob yees duab daim iav tau tsa thiab lub viewfinder tsis siv tau lawm. Hloov chaw, daim duab tau xa ncaj qha mus rau lub koob yees duab lub vijtsam LCD.
Tsis txhob Autofocus
Vim tias kev tua cov yeeb yaj kiab xav kom lub koob yees duab nyob rau hauv Live View hom (raws li tau hais los saum no), daim iav yuav nce thiab autofocus yuav tawm tsam thiab qeeb dhau. Nws yog qhov zoo tshaj plaws los teeb tsa lub hom phiaj ntawm tus kheej thaum tua cov yeeb yaj kiab kom paub meej cov txiaj ntsig raug.
Manual Mode
Thaum yees duab, koj cov kev xaiv ntau yam rau shutter ceev thiab aperture yuav pom tseeb yuav nqaim.
Thaum yees duab yees duab ntawm 25 fps, piv txwv li, koj yuav tsum tau teem lub shutter ceev ntawm ib ncig ntawm 1/100th ntawm ib tug thib ob. Txhua qhov chaw siab dua thiab koj pheej hmoo tsim cov ntawv flip-phau ntawv rau txhua yam kev hloov pauv. Txhawm rau muab koj tus kheej nkag mus rau tag nrho aperture ntau yam, nws yog qhov zoo tshaj los ua si nrog ISO thiab nqis peev hauv ND lim.
kab hauv qab
Siv lub tripod thaum koj tua HD video, raws li koj yuav tau siv lub LCD npo los thav duab yees duab. Tuav lub koob yees duab ntawm caj npab ntev kom koj tuaj yeem pom lub vijtsam LCD yuav ua rau qee qhov tsis xis nyob heev.
External Microphones
DSLRs tuaj nrog lub microphone built-in, tab sis nws tsuas yog sau ib txoj kab mono. Tsis tas li ntawd, qhov sib thooj ntawm lub microphone rau tus kws yees duab piv rau cov ntsiab lus feem ntau txhais tau tias nws yuav kaw koj qhov ua pa thiab ib qho kov ntawm lub koob yees duab.
Nws yog qhov zoo dua los nqis peev hauv lub microphone sab nraud, uas koj tuaj yeem tau txais ze li qhov ua tau. Feem ntau DSLRs muab lub tso suab tso suab microphone rau lub hom phiaj no.
Lenses
Ua kom zoo dua ntawm ntau hom lo ntsiab muag muaj rau DSLR lub cev thiab siv lawv los tsim cov teebmeem sib txawv hauv koj cov yeeb yaj kiab ua haujlwm.
Cov camcorders feem ntau muaj lub ntsej muag telephoto, tab sis lawv feem ntau tsis muaj peev xwm dav dav. Koj tuaj yeem siv ntau hom lo ntsiab muag, xws li fisheye (los yog super wide-angle), los npog thaj tsam loj. Los yog leverage qhov nqaim qhov tob ntawm thaj teb uas muaj los ntawm qhov pheej yig 50mm f/1.8 lens.
