DSLR vs Point vs Shoot Camera
Point and shoot cameras thiab DSLR koob yees duab yog ob hom koob yees duab siv heev los ntawm tib neeg, niaj hnub no. Kev yees duab, txhais tau hais tias sau lossis pleev xim nrog lub teeb. Cov koob yees duab yog cov cuab yeej peb siv los ua tiav cov duab no. Qhov siab tshaj plaws ntawm cov koob yees duab no yog DSLR (Digital Single Lens Reflex) koob yees duab. Point thiab tua koob yees duab yog lub koob yees duab automated. Muaj ntau pua lub koob yees duab manufacturers thiab lawv cov technologies txawv ntawm ib leeg. Hauv tsab xov xwm no, peb yuav los sib tham thiab sib piv cov ntsiab lus thiab tua cov koob yees duab thiab cov koob yees duab DSLR yog dab tsi, lawv qhov zoo thiab qhov tsis zoo, kev siv yooj yim, cov khoom siv nrog cov koob yees duab no, lawv qhov zoo sib xws thiab thaum kawg lawv qhov sib txawv.
DSLR koob yees duab
DSLR sawv cev rau lo lus digital tib lub lens reflex. Cov koob yees duab DSLR yog hom koob yees duab digital siab heev. Lub koob yees duab digital yog ib qho khoom siv uas siv cov matrix ntawm lub teeb rhiab hauv hluav taws xob raws li lub phaj sensor txhawm rau ntes cov duab. Sensor technologies xws li CMOS (Complementary Metal Oxide Semiconductor) thiab CCD (Charged Coupled Devices) yog siv hauv DSLR koob yees duab. Cov duab cov ntaub ntawv yog ces hloov mus rau hauv ib tug binary ntsis qauv, thiab muab cia rau hauv lub cim xeeb ntawm lub koob yees duab. Cov duab khaws cia cov duab yog qhov pib ntawm ob hom, ib hom yog qhov twg cov duab yog compressed ua ntej khaws cia. Cov hom ntawv xws li JPEG, GIF, thiab TIFF yog hom compressing zoo li no. Cov hom ntawv zoo li RAW sau cov duab yam tsis muaj kev hloov pauv, yog li ntawd, qhov zoo tau txais, tab sis qhov no ua rau cov duab tsawg dua rau ib daim npav nco.
DSLR lub koob yees duab siv lub lens cais thiab lub cev, ob qho tib si kim tshaj li qhov qub thiab tua cov koob yees duab digital. Cov lo ntsiab muag no yog cov zoo, thiab muaj lub lens loj heev qhib dua li lub koob yees duab ib txwm, yog li ntawd, lub sharpness ntawm cov duab yog ho siab. Cov lo ntsiab muag thiab lub koob yees duab lub cev muaj cov ntawv qhia tag nrho thiab tsis siv neeg tswj cov duab xws li cov nyiaj dawb mus rau cov ntsiab lus tsom.
Point and Shoot camera
Cov koob yees duab taw tes thiab tua tau tsim los ua cov yeeb yaj kiab raws li cov. Raws li cov digital sensors tsim, taw tes thiab tua cov koob yees duab kuj tau txais cov thev naus laus zis digital. Cov koob yees duab no yog qhov pib automated. Feem ntau ntawm cov chaw xws li kev tsom xam, qhov nyiaj tshuav dawb, raug thiab aperture tsis tuaj yeem teeb tsa manually. Txawm li cas los xij, qee qhov presets tau txhawb kom yooj yim.
Dab tsi yog qhov txawv ntawm DSLR Lub Koob Yees Duab thiab Lub Koob Yees Duab thiab Lub Koob Yees Duab?
• Cov koob yees duab taw tes thiab tua yog pheej yig dua li DSLR koob yees duab.
• DSLR koob yees duab yog qhov zoo rau kev siv thiab xav tau kev tuav thiab kev saib xyuas zoo.
• Cov koob yees duab taw tes thiab tua yog qhov zoo rau kev siv txhua hnub, vim nws me dua, thiab yuav luag txhua yam yuav zoo nyob ntawm hom pib.
• Tab sis, yog tias koj xav kom cov duab ntse heev thiab tsis muaj suab nrov, DSLR yuav yog cov lus teb.
