1. Lub qhov ntswg
Sib txawv ntawm cov neeg laus, cov me nyuam lub taub hau, tshwj xeeb tshaj yog lub kaum sab xis ntawm lub qhov ntswg ncov thiab curvature ntawm tus choj ntawm lub qhov ntswg, muaj ntau yam txawv txawv. Cov menyuam yaus feem ntau muaj tus choj qis ntawm qhov ntswg, yog li nws yog qhov zoo tshaj plaws los xaiv cov iav nrog lub qhov ntswg siab lossis cov iav tsom iav nrog cov qhov ntswg sib hloov. Txwv tsis pub, lub qhov ntswg pads ntawm lub thav duab yuav qis, crushing tus choj tsim ntawm lub qhov ntswg, thiab cov iav yuav yooj yim lo rau ntawm lub qhov muag los yog txawm kov cov plaub muag, ua rau qhov muag tsis xis nyob.
2. Cov khoom siv ncej
Cov khoom siv ntawm cov thav duab feem ntau yog hlau thav duab, ib daim ntawv yas, thiab TR90 ncej. Cov menyuam yaus feem ntau yog cov nquag nquag thiab tawm mus, muab tso rau hauv lawv lub tsom iav ntawm qhov xav tau. Kev siv cov ncej hlau yog ib qho yooj yim rau deform thiab tawg, thiab cov ncej hlau yuav ua rau tawv nqaij khaus. Lub thav duab yas tsis yooj yim hloov, thiab nws nyuaj rau kev puas tsuaj. Ntawm qhov tod tes, cov iav ua los ntawm cov khoom siv TR90, tnws tsom iav thav duab ntawm cov khoom no kuj hloov tau yooj yim thiab elastic, thiab tseem ceeb tshaj, nws muaj peev xwm tiv taus shocks. Yog li yog tiasmuajib tug menyuam yaus uas nyiam txav, koj tsis tas yuav txhawj xeeb txog cov tsom iav yuav puas yooj yim yog tias koj hnav cov iav zoo li no. Tsis tas li ntawd, cov tsom iav zoo li no muaj cov yam ntxwv ntawm cov tawv nqaij, yog li yog tias nws yog qee cov menyuam yaus uas muaj cov tawv nqaij rhiab, tsis tas yuav txhawj xeeb txog kev ua xua thaum hnav.
3. Nyhav
Xaiv cov me nyuamqhov muagiav yuav tsum xyuam xim rau qhov hnyav. Vim tias qhov hnyav ntawm cov tsom iav ncaj qha ua rau ntawm tus choj ntawm lub qhov ntswg, yog tias nws hnyav dhau, nws yooj yim ua rau mob ntawm tus choj ntawm lub qhov ntswg, thiab nyob rau hauv cov xwm txheej hnyav, nws yuav ua rau degeneration ntawm qhov ntswg pob txha. Yog li ntawd, qhov hnyav ntawm tsom iav rau cov menyuam yaus feem ntau tsawg dua 15 grams.
4. Size ntawm tus ncej
Cov tsom iav me me yuav tsum muaj qhov pom kev txaus. Txij li thaum cov menyuam yaus muaj ntau yam kev ua ub no, sim tsis txhob xaiv ib lub thav duab uas yuav tsim cov duab ntxoov ntxoo thiab qhov muag tsis pom kev. Yog hais tias lub thav duab me dhau lawm, thaj tsam ntawm kev pom yuav ua me me; yog tias tus ncej loj dhau, nws yooj yim rau hnav tsis ruaj, thiab qhov hnyav yuav nce. Yog li ntawd, cov me nyuam cov tsom iav tsom iav yuav tsum muaj qhov loj me me.
5. Teemples
Rau cov me nyuam lub tsom iav tsim, cov tuam tsev yuav tsum tau ua raws li daim tawv nqaij ntawm sab ntawm lub ntsej muag, los yog tawm ib qho chaw me ntsis kom tsis txhob cov tsom iav me dhau vim qhov kev loj hlob sai ntawm cov me nyuam. Nws yog qhov zoo tshaj plaws los hloov kho, qhov ntev ntawm cov tuam tsev tuaj yeem hloov kho raws li lub taub hau zoo li qub, thiab qhov zaus ntawm kev hloov cov iav kuj raug txo.
6. Lensdqhov tseeb
Lub thav duab yog los txhawb lub lens thiab xyuas kom meej tias lub lens nyob rau hauv ib qho chaw tsim nyog nyob rau hauv pem hauv ntej ntawm lub qhov muag. Raws li cov txheej txheem kho qhov muag, ua kom cov qib ntawm ob lub tsom iav kom sib npaug ntawm lub lens, nws yog ib qho tsim nyog los xyuas kom meej tias qhov kev ncua deb ntawm lub qhov muag yog li ntawm 12.5MM, thiab qhov tsom xam ntawm lub lens thiab cov tub kawm ntawv nyob rau hauv. tib yamnpob ntseg kab kab rov tav, yog tias lub spectacle thav duab tsis tuaj yeem lav qhov chaw ntawm lub lo ntsiab muag hauv pawg no (xws li cov tuam tsev ntev dhau los lossis xoob dhau, lub qhov ntswg qhov ntswg siab dhau lossis qis dhau, thiab deformation tom qab siv lub sijhawm. , thiab lwm yam) Nws tuaj yeem ua rau muaj kev sib tw dhau los lossis qis dua.
7. Xim
Tib neeg lub ntsej muag zoo nkauj, feem ntau yog lub zeem muag, tuaj yeem pom ntau yam xim thiab cov duab los ntawm kev pom. Cov menyuam yaus muaj lub siab xav ntawm cov xim, vim lawv xav paub thiab nyiam cov xim ci. Cov menyuam yaus niaj hnub no muaj kev ua haujlwm siab heev, thiab lawv nyiam xaiv cov khaub ncaws thiab tsom iav uas lawv hnav. Ntawm qhov tod tes, qee cov xim ua rau lawv nco txog lawv cov khoom ua si, yog li pab lawv xaiv qee cov xim ci thaum xaiv tsom iav.
Post lub sij hawm: Aug-20-2022