Thaum tab tom yuav lub zeem muag hmo ntuj, xaiv cov kev xaiv hauv cov kab hauv qab no:
1. Cov paj tsim tawm hauv lub raj: nws yog ntau tiam neeg. Nco ntsoov tias tus tub luam thaum ua kev yuav khoom. Vim tias cov ntim thiab cov lus qhia ntawm cov khoom siv pom tau tias feem ntau tsis qhia cov neeg lub raj ntawm lub raj. Ntawm chav kawm, yog tias koj xav yuav 2nd lossis thib 3 tiam tsaus ntuj ua yeeb yam nrog lub zeem muag hmo ntuj, nws yog qhov tseeb ntawm lub zeem muag uas nws yog, txhawm rau kom tsis txhob ua txhaum ntawm koj cov cai. Tam sim no, cov cuab yeej ua yeeb yam hmo ntuj ntawm kev ua lag luam, xws li sau npe nyob rau hauv Russia, yog sau npe rau cov khoom ntim thiab cov tshuab ntim nrog lub tshuab ntawm cov duab ua kom muaj zog siv.
2. Lens: Tshawb xyuas lub aperture thiab kev tshaj lij ntawm lub lens. Tsis muaj kev xav ntim, ntawm chav kawm, qhov loj dua qhov zoo dua. Nyob rau hauv tib lub rooj plaub ntawm cov duab sib xyaw, lub hauv paus ntsiab lus yog tias qhov loj dua lub aperture, qhov deb dua qhov kev soj ntsuam deb, thiab cov duab ntshiab.
3. Cov duab txhim kho thev naus laus zis: Cov khoom siv pom tsaus ntuj nruab nrog cov thev naus laus zis feem ntau muaj cov duab ci zoo dua thiab meej dua.
4. Infrared emitter: kev ua yeeb yam ntawm no emitter ncaj qha cuam tshuam qhov kev xav tau zoo.
5. Kev daws teeb meem: Qhov kev daws teeb meem ntawm lub lens yog qhov tseem ceeb heev, qhov siab dua cov kev daws teeb meem, cov duab ntshiab.
Raws li rau cov nominal soj ntsuam nrug thiab qhia txog qhov deb ntawm cov khoom siv pom kev tsaus ntuj. Vim yog tsis muaj cov qauv uas tsis muaj tseeb, kev xav sib txawv sib txawv ntawm cov tog neeg sib txawv. Ua tau, nws tsis muaj tus nqi siv. Feem ntau hais lus, thawj tiam muaj qhov deb ntawm 100-250 meters, lub cim thib ob muaj qhov deb ntawm 300-500 meters, thiab tuaj yeem pom cov khoom kom meej. Nws kuj yog nyob ntawm qhov zoo thiab loj ntawm lub lens, cov duab ua thev naus laus zis, thiab kev daws teeb meem.
