Yuav qhia li cas tiag los ntawm looj tsom iav cuav

2024 Tus sau: James Gerald | [email protected]. Kawg hloov kho: 2023-12-17 14:08

Cov looj tsom iav dub tuaj yeem ua rau koj lub qhov muag puas. Cov menyuam kawm ntawv ntawm tus neeg hnav tsom iav dub nthuav dav, thiab yog tias lub lens tsis muaj lub lim dej xav tau, tom qab ntawd muaj ntau qhov txaus ntshai ntawm UV hluav taws xob nkag rau hauv lub qhov muag. Cia peb xam seb yuav nkag siab qhov twg yog qhov cuav, thiab qhov twg yog kev tiv thaiv tshav ntuj tiag.

Ntxiv nrog rau cov tuam txhab tshwj xeeb hauv kev kho qhov muag, yuav luag txhua qhov ntau lossis tsawg dua paub lub npe ntawm cov khaub ncaws thiab khoom siv muaj nws tus kheej kab iav, tus nqi ntau yog tsim rau yuav luag txhua lub hnab nyiaj. Yog li ntawd, thaum xaiv cov khoom lag luam tshiab, cov ntxhais feem ntau xyuam xim tsuas yog rau qhov pom thiab muaj lub logo uas xav tau.

Coob leej neeg xav tias qhov txawv qhov tsom iav tiag tiag los ntawm qhov cuav yog qhov yooj yim li tev pears: koj yuav tsum tsom mus rau tus nqi. Tab sis tsis txhob hnov qab cov txuj ci zoo li cas cov tuam txhab tsim cov khoom cuav tau pib ua haujlwm, txawm tias tau yuav tsom iav hauv khw muag khoom, koj tsis tuaj yeem ntseeg tau tias koj tau yuav cov khoom lag luam zoo.

Yog tias tsom iav tsom iav tsis muaj txheej tiv thaiv tshwj xeeb, qhov tshwm sim tuaj yeem ua rau txaus ntshai heev.

Tsom iav thiab tsom iav rau qhov ntawd, txhawm rau tiv thaiv peb lub qhov muag los ntawm lub hnub - qhov no yog, yog li hais lus, "khoom siv kho mob" (tsis hais txog qhov zoo nkauj ntawm tus ncej), yog li thaum xaiv koj yuav tsum tau ceev faj li sai tau, raws li qhov no thaum kawg yuav cuam tshuam rau kev noj qab haus huv qhov muag.

Ib tus neeg muaj cov txheej txheem tiv thaiv ntuj los ntawm tshav ntuj lub hnub - cov plaub muag, pob muag, thiab tus neeg ua rau luag ntxhi. Thaum pom cov tsom iav tsaus nti, "kev tiv thaiv" raug kaw, thiab peb cov tub ntxhais kawm nthuav dav (nyob rau hauv lub hnub nws nqaim kom ntau li ntau tau), thiab cov duab hluav taws xob poob dawb rau ntawm lub qhov muag, qhov muag thiab lub lens. Yog tias tsom iav tsom iav tsis muaj txheej tiv thaiv tshwj xeeb, qhov tshwm sim tuaj yeem ua rau txaus ntshai heev. Cov kws kho mob ntseeg tias nws zoo dua yog tias taug kev yam tsis muaj tsom iav zoo dua li hnav cov uas tsis zoo. Yuav xaiv qhov yog? Irina Otrashkevich, lub taub hau ntawm kev yuav khoom ntawm chav kho qhov muag "Lensmaster", tau pab peb txiav txim siab nws.

1. Tsis txhob ua tib zoo saib cov nyiaj cheb loj thiab "xav tsis thoob" qhov kev txhawb nqa kom tau txais txiaj ntsig. Cov iav tsom iav tsis tuaj yeem raug nqi ntau dua li lwm lub khw tshwj xeeb OE. Ua ntej yuav khoom, txheeb xyuas tus nqi ntawm lub vev xaib ntawm hom uas nws cov khoom koj txiav txim siab yuav.

2. Cov teeb nrog looj tsom iav yuav tsum suav nrog (ntxiv rau ntim) ib lub hau, ib lub lens so (ob qho nrog lub khw tsim lub logo) thiab daim ntawv hla tebchaws.

3. Cov ntaub ntawv tsom iav yuav tsum nruj nrog cov ntawv sau (tsis luam tawm) lub logo rau nws. Cov ntaub so ntswg yuav tsum tau ua los ntawm cov khoom siv microfiber mos mos - cov npoo ntawm daim ntaub yuav tsum tsis txhob tev tawm. Daim ntawv hla tebchaws (phau ntawv) yuav tsum yog ua los ntawm cov ntawv zoo (cov ntawv yuav tsum tsis raug tshem tawm los ntawm ya raws), yuav tsum tsis muaj qhov ua yuam kev hauv cov ntawv.

4. Daim ntawv hla tebchaws yuav tsum qhia qhov feem pua ntawm UV-A, UV-B, UV-C hluav taws xob thiab lub nthwv dej (hauv nanometers) thaiv los ntawm tsom iav. Cov iav nrog 400 nm cim muab kev tiv thaiv 100%. Los ntawm txoj kev, qib ntawm kev tsaus ntawm cov tsom iav tsis qhia txog qib kev tiv thaiv, kev tiv thaiv zoo kuj tseem tuaj yeem pom hauv cov iav pob tshab.

5. Sab hauv, ntawm cov tuam tsev, yuav tsum muaj cov ntaub ntawv hais txog kev ua raws li European tus qauv zoo ("CE" cim), tus lej qauv, qhov loj ntawm lub tuam tsev, qib kev tiv thaiv hnub ci, lub teb chaws tsim khoom, thiab kuj yuav tsum muaj lub npe xim (feem ntau suav tus lej).

Thaum yuav tsom iav, nco ntsoov nug daim ntawv pov thawj khoom.

6. Thaum yuav khoom, nco ntsoov nug daim ntawv pov thawj khoom. Yog tias tus neeg muag khoom tsis kam koj, hais txog qhov tseeb tias tsis muaj daim ntawv pov thawj tam sim no, vim tias nws nyob ntawm kev lis kev cai, - tsis ntseeg nws - feem ntau yuav yog, tsom iav yog cuav. Ntawm chaw lis haujlwm kev lis kev cai, txhua qhov kev xa cov khoom tau txais daim ntawv pov thawj zoo thiab daim ntawv tshaj tawm ntawm kev ua raws, thiab txhua qhov chaw muag khoom tau txais daim ntawv pov thawj, ntawv pov thawj los ntawm lub koom haum.

7. Nco ntsoov kuaj koj lub tsom iav. Sim lawv, txheeb xyuas qhov zoo ntawm daim duab thiab txoj kev lawv zaum - yuav tsum tsis muaj qhov tsis xis nyob, qhov tshwj xeeb yuav yog cov qauv qub dhau los.

Los ntawm kev ua raws txhua txoj cai yooj yim no, ntxiv rau ua tib zoo saib xyuas txhua yam feem ntau (los ntawm kev txau cov thav duab thiab muaj cov khoom siv ntxiv rau tus nqi thiab tus muag khoom coj li cas), koj yuav tau txais cov khoom lag luam zoo uas yuav txaus siab rau koj. Koj yuav yog tus zam tshaj plaws thaum ua kom koj ob lub qhov muag noj qab nyob zoo.