Nws txhais li cas los kho koj lub koob yees duab?
Muaj qee qhov ntawm ob lub koob yees duab uas koj yuav tsum tau hloov kho kom koj pom los ntawm lawv kom meej. Koj yuav tsum tau kho lub khob qhov muag thiab qhov dav. Tsis tas li ntawd, koj yuav tsum tau kho qhov chaw dioptre, yog tias koj lub koob yees duab muaj qhov kev xaiv no. Nrog rau qhov kev teeb tsa dioptre koj tuaj yeem them nyiaj rau koj cov tshuaj tsom iav, thiab qhov sib txawv ntawm cov tshuaj ntawm koj ob lub qhov muag. Thaum kawg, koj yuav tsum ua kom pom cov duab.
Ib lo lus koj yuav tau pom ua ntej yog 'binocular prism hloov'. Qhov no nyuaj heev ua, thiab tsis yog ib yam uas koj tuaj yeem ua koj tus kheej. Rau qhov no, koj yuav tsum tau mus ntsib ib lub khw muag khoom lossis xa cov duab thaij duab rov qab mus rau cov chaw tsim khoom. Nyob ntawd lawv yuav tuaj yeem kho qhov prism ntawm lub koob yees duab kom zoo.
Thaum koj kho koj lub binoculars, koj yuav tsum ua raws li cov kauj ruam no:
Kauj Ruam 1: Kho lub khob qhov muag
Koj puas hnav tsom iav, los tsis? Binoculars yuav luag ib txwm muaj lub khob qhov muag uas koj tuaj yeem tig rau hauv thiab tawm lossis koj tuaj yeem tig. Cov khob qhov muag no xyuas kom meej tias qhov kev ncua deb ntawm koj ob lub qhov muag thiab lub koob yees duab yog qhov tseeb. Qhov no yog qhov tseem ceeb, vim tias yog qhov kev ncua deb tsis raug, koj yuav pom cov duab tsis tiav, lossis koj yuav plam qee qhov ci ntsa iab. Yog tias koj hnav tsom iav, koj yuav tsum tig los yog quav lub khob qhov muag. Yog tias koj tsis hnav tsom iav, koj yuav tsum tig lawv tawm lossis rub tawm.
Kauj ruam 2: Teeb qhov dav kom raug
Nws yog ib qho tseem ceeb los kho qhov dav ntawm lub koob yees duab (tshwj xeeb tshaj yog, qhov kev ncua deb ntawm lub qhov muag) mus rau qhov deb ntawm koj ob lub qhov muag. Koj tuaj yeem ua qhov no los ntawm kev txav ob feem ntawm lub koob yees duab kom ze rau ib leeg lossis sib nrug ntawm ib leeg. Saib ntawm ib qho khoom ntawm qhov deb zoo thiab kho qhov dav ntawm lub koob yees duab kom koj muaj daim duab puv, puag ncig nrog ob lub qhov muag sib cais. Yog tias koj tau kho lub koob yees duab kom raug, koj yuav pom tib yam nrog txhua lub qhov muag.
Koj tuaj yeem tshawb xyuas qhov no los ntawm kev kaw ib qho ntawm koj ob lub qhov muag thiab saib los ntawm lub koob yees duab nrog rau lwm tus, tsis tas yuav txav lub koob yees duab.
Kauj Ruam 3: Kev teeb tsa Dioptre
Qhov chaw dioptre tso cai rau koj los them nyiaj rau koj cov tshuaj tsom iav, thiab qhov sib txawv ntawm cov tshuaj ntawm koj ob lub qhov muag. Qhov teeb tsa no feem ntau yog nyob rau sab xis ntawm lub qhov muag, tab sis qee zaum tom qab lub hauv paus tsom nyem khawm. Qee lub sij hawm koj tuaj yeem kho lub dioptre los ntawm rub tawm lub pob nyem hauv nruab nrab.
Ua raws li hauv qab no: Xaiv ib qho khoom ntawm qhov kev ncua deb thiab ua kom pom tseeb nrog lub hauv paus ua kom pom tseeb rau koj lub qhov muag sab laug (kom koj lub qhov muag sab xis kaw, lossis zoo dua, tuav koj txhais tes rau pem hauv ntej ntawm lub qhov muag sab xis).
Tom ntej no, kaw koj lub qhov muag sab laug lossis tuav koj txhais tes nyob rau hauv pem hauv ntej ntawm lub qhov muag sab laug thiab siv qhov chaw dioptre los tsom rau koj lub qhov muag sab xis.
Kauj Ruam 4: Tsom koj lub koob yees duab
Tib yam uas tseem tshuav ua yog tsom rau qhov khoom koj tab tom saib. Ua li no kom koj yuav pom cov duab ntse. Yog tias koj tawm me ntsis, koj ob lub qhov muag yuav sim them nyiaj rau qhov no, thiab koj tseem yuav pom cov duab ntse qee zaum, tab sis qhov no ua rau koj lub qhov muag nkees.
Kho koj lub koob yees duab ntau zaus
Tam sim no koj tau ua tiav kho koj lub koob yees duab. Nws yog qhov ua tau tias koj yuav tau ua qhov no ntxiv rau yav tom ntej. Tej zaum koj tab tom cia ib tus neeg qiv koj lub koob yees duab, thiab lawv yuav tsum tau kho lub koob yees duab rau lawv lub qhov muag. Yog li ntawd, nco ntsoov tias tej zaum koj yuav dhau los ntawm cov kauj ruam no ntau zaus.