Lub hom phiaj ntawm lub koob yees duab yog dab tsi?
Lub hom phiaj ntawm lub koob yees duab yog dab tsi?

Video: Lub hom phiaj ntawm lub koob yees duab yog dab tsi?

Video: Lub hom phiaj ntawm lub koob yees duab yog dab tsi?
Video: Tshuaj theem vim li cas thiaj tau nqi ?/ Siv kho mob dab tsi?/paris polyphylla use for? 2024, Hlis ntuj nqeg
Anonim

A koob yees duab yog ib qho khoom siv kho qhov muag siv los ntes cov duab lossis sau cov duab txav, uas tau muab khaws cia rau hauv qhov nruab nrab aphysical xws li hauv digital system lossis hauv cov duab thaij duab. A koob yees duab muaj ib lub lens uas tsom lub teeb los ntawm qhov chaw, thiab a koob yees duab lub cev uas tuav cov duab capturemechanism.

Kev sib raug zoo, lub koob yees duab siv rau dab tsi?

Cov koob yees duab muaj ib txoj haujlwm: Lawv ntes cov ntaub ntawv pom ntawm lub sijhawm (rau video thiab yeeb yaj kiab koob yees duab , uas yuav yog "dhau ntawm cov ntsiab lus hauv lub sijhawm") tso cai rau lawv cov neeg siv saib cov ntaub ntawv ntawd tom qab lossis hauv lwm qhov chaw. Qhov ntawd txhais tau tias koob yees duab yog siv rau saib cov xwm txheej txaus ntshai los ntawm kev nyab xeeb.

Ib sab saum toj no, lub hom phiaj ntawm qhov taw tes thiab tua lub koob yees duab yog dab tsi? A point-and-shoot koob yees duab , kuj hu ua compact koob yees duab thiab qee zaum abbreviated rau P&S, yog ib qho tseem koob yees duab tsim feem ntau rau kev ua haujlwm yooj yim. Feem ntau usefocus dawb lo ntsiab muag los yog autofocus rau tsom, tsis siv neeg tshuab forsetting qhov raug xaiv, thiab muaj flash units builtin.

Tsis tas li ntawd, vim li cas lub koob yees duab tseem ceeb?

A koob yees duab , los ntawm qhov yooj yim tshaj plaws ntawm cov ntsiab lus, captures tseem duab lossis yees duab, xws li hauv zaj duab xis lossis digitally. Cov qhov tseem ceeb ntawm koob yees duab tsis yog nyob rau hauv lub cuab yeej nws tus kheej, tab sis nyob rau hauv dab tsi nws tsim. Cov duab thiab yees duab tau dhau los ua qhov tseem ceeb rau kev sib txuas lus, kev kawm thiab kev khaws cia ntawm keeb kwm.

Lub koob yees duab ua haujlwm li cas?

A koob yees duab lens siv tag nrho cov teeb rays bouncingaround thiab siv iav los redirect lawv mus rau ib tug taw tes, tsim ib tug ntse duab. Thaum tag nrho cov teeb ci sib ntsib rov qab ua ke ntawm adigital koob yees duab sensor los yog ib daim ntawm zaj duab xis, lawv tsim sharp duab.

Pom zoo: