Cov koob yees duab tau ploj mus ntev dhau qhov kev txwv ntawm kev tshaj lij kev ua haujlwm. Tam sim no muaj lub koob yees duab digital rau txhua tus neeg. Thiab yog tias muaj koob meej ntawm zaj duab xis koob yees duab tau dhau los tsis muaj tseeb, ces cov digital suav tau muaj kev cuam tshuam tiag tiag. Qhov no yog vim qhov tseeb tias nrog kev pab ntawm lub koob yees duab digital nws yooj yim los yees duab, nws tuaj yeem tuav tau ntau yam duab, thiab tseem ceeb tshaj, qhov tshwm sim tau pom tam sim ntawd.
Tam sim no muaj cov koob yees duab hauv cov nqi ntau thiab nrog cov yam ntxwv sib txawv. Yog li, nws yog feem ntau nyuaj rau xaiv qhov koj xav tau ntawm lawv. Ob peb lub tswv yim ntawm dab tsi los saib ua ntej thiab dab tsi los xyuas thaum muas lub koob yees duab digital yuav tsis ua mob rau koj.
Cov Lus Qhia
Kauj ruam 1
Yog tias koj yog tus pib thaij duab, tom qab ntawd koj yuav tsum tsis txhob coj ib qho cuab yeej uas nyuaj dhau rau kev ua haujlwm. Ib tug pheej pheej yig digital "tshuaj ntxuav tais diav". Tom qab tag nrho, nws ua rau tsis muaj kev nkag siab rau overpay rau cov haujlwm uas koj yuav tsis siv.
Thawj qhov uas kuaj xyuas thaum yuav khoom yog tus naj npawb ntawm pixels. Tus nqi ntau nyob ntawm lawv. Yog tias koj tab tom luam cov duab hauv 10x15 tus qauv, tab sis tsis ntau, ces 3 megapixels yuav txaus rau koj. Yog tias koj tab tom ua lawv rau hauv cov programs programs thiab saib lawv ntawm lub koos pis tawj, tom qab ntawv muaj ntau lub megapixels, zoo dua. Tam sim no muaj cov digital "xab npum thawv" nrog daws teeb meem txog li 12 megapixels.
Kauj ruam 2
Tus cwj pwm tom ntej yog lub koob yees duab matrix. Cov xim ua kom pom tseeb, kev ua kom yoog, suab nrov hauv lub yees duab thiab lwm yam yog nyob ntawm nws. Yog hais tias tus qauv muaj phau ntawv rhiab heev chaw, zoo heev. Nws yuav muab ntau txoj hauv kev rau qhov sib txawv ntawm kev tua. Nws yog qhov nyuaj rau tshawb xyuas qhov sib npaug ntawm "xab npum tais", vim tias feem ntau txhua qhov chaw txhua lub sijhawm ua haujlwm tsis siv neeg. Txheeb xyuas cov ntawv loj loj rau ntawm kev tshaj lij SLR lub koob yees duab, koj yuav tsum tshem tag nrho cov chaw tsis siv neeg rau kev txo suab nrov, hloov xim, raug thiab ua kom pom tseeb, tsis tas yuav hle lub npog, coj ob peb daim duab ntawm qhov sib txawv ntawm qhov sib txawv. Tom qab ntawv tshawb pom qhov siab kawg ntawm kev pom zoo rau lub xub ntiag ntawm ntau cov xim dot. Yog tias tsis muaj ntau tshaj 6 qhov cov ntsiab lus rau tag nrho cov thav duab, tom qab ntawd txhua yam ua tiav raws li kev tswj hwm. Yog tias muaj ntau ntawm lawv, tom qab ntawd muaj cov pixels faulty thiab xws li lub koob yees duab yuav tsum tsis txhob coj.
Kauj ruam 3
Cov yeeb yam tom ntej no tsim nyog xyuas yog zoom. Qhov zoom hauv lub koob yees duab tuaj yeem yog digital lossis kho qhov muag. Feem ntau pheej yig cov koob yees duab digital yog nruab nrog digital zoom. Ntau tus qauv kim muab ib txoj kev xaiv, uas ua rau kom muaj kev tua ntau dua. Nws yog qhov zoo yog tias lub koob yees duab muab lub sijhawm los hloov cov optics.
Kauj ruam 4
Muaj cov khoom seem rau cov koob yees duab, uas tsis tshua muaj nyob hauv cov khoom siv. Cov no yog roj teeb, eeb phaib thiab plaub ntug. Yuav cov roj teeb ntawm lub peev xwm loj tshaj plaws kom lawv tsis raug rho tawm thaum lub sijhawm tseem ceeb. Tib yam mus rau lub flash drive. Qhov loj dua qhov ntim, zoo dua. Xaiv ib rooj plaub tsis yog ib qho nyuaj. Qhov loj tshaj plaws yog lub koob yees duab tiv thaiv los ntawm kev poob siab.
