Yuav Ua Li Cas Xaiv Cov Khaub Ncaws Hnav Hnav Hnav?
Yuav ua li cas xaiv cov looj tsom iav dub tiv thaiv kev ua si?
Saib peb lub ntsiab lus thaum yuav cov tsom iav tiv thaiv kev ua si: kev ua haujlwm, khoom siv, zoo li
Vim yog cov yam ntxwv ntawm cov neeg siv, cov iav tiv thaiv kev ua si yog ua los ntawm cov khoom siv high-end kom ua tiav cov kev tiv thaiv zoo thiab kev nyab xeeb, uas tiv thaiv lub qhov muag thiab hnav kom zoo. Koj yuav tsum paub yuav ua li cas thiaj li yuav tsom iav ncaws pob kom pom qhov uas haum rau koj tshaj plaws.
1. Muaj nuj nqi
Xaiv cov iav raws li hom kev tawm dag zog. Piv txwv li, yog tias koj tab tom tawm dag zog hauv qhov chaw uas muaj cua thiab xuab zeb ntau, koj yuav tsum siv tsom iav; Yog tias koj raug ultraviolet rays ntev, koj yuav tsum tau tsom iav polarized; nyob rau hauv qhov sib txawv hnub ci tej yam kev mob thiab kev ua si yuav tsum tau, lub teeb kis tau tus mob Qhov yuav tsum tau ntawm tus nqi kuj sib txawv, uas ua rau qhov kev thov rau txawv lens xim; Yog tias cov neeg nyiam ua kis las tseem yog myopic, lawv yuav tsum tau nruab nrog cov tsom iav ua si uas muaj qhov pom kev zoo.
2. Khoom siv
Kev siv cov ntaub ntawv zoo rau cov lo ntsiab muag thiab cov thav ntawv tuaj yeem tsis tsuas yog ua lub luag haujlwm tiv thaiv zoo dua, tab sis kuj muaj kev nyab xeeb thiab nyiam hnav dua.
Cia peb tham txog cov lo ntsiab muag ua ntej. Feem ntau, cov ntaub ntawv lo ntsiab muag ntawm cov tsom iav ncaws pob yog PC lo ntsiab muag. PC lo ntsiab muag tsis tawg lossis tawg, 100 feem pua kev nyab xeeb, lub teeb, nyias thiab cuam tshuam. Cov khoom siv no tuaj yeem siv rau cov iav tsis muaj phom, thiab qhov cuam tshuam tsis zoo yog cov nplooj ntawv zoo tib yam. Ntau tshaj 10 zaug, thiab 100 feem pua los tiv thaiv ultraviolet (UV400). Cov khoom siv ntawm cov tsom iav ncaws pob feem ntau yog TR-90 cov khoom siv tawv tawv tawv, uas yog du, hloov tau yooj yim thiab hnav, thiab nyiam hnav; nws kuj tseem tiv taus kub thiab cuam tshuam, uas yog ntau tshaj 2 npaug ntawm cellulose acetate yas (CA); TR- Cov yam ntxwv loj tshaj plaws ntawm 90 yog tias nws muaj lub cim xeeb ua haujlwm, qhov ntsuas tiv thaiv tsis zoo tuaj yeem ncav cuag 620KG / CM2, thiab qhov hnyav yog 30 feem pua tshaj dua li ntawm CA.
3. Kev tshwm sim
Cov tsos mob feem ntau yog cov duab ntawm cov iav thiab cov xim ntawm cov lo ntsiab muag. Los ntawm kev pom zoo, cov lo ntsiab muag sib txawv muaj qhov sib txawv ntawm cov teeb pom kev zoo, thiab tsim nyog rau qhov chaw sib tw kis las sib txawv.
Feem ntau, cov tsom iav tsaus yog zoo dua li cov iav tsom iav, thiab cov nyhuv ntawm kev sib cais ntawm ultraviolet rays yog qhov zoo dua: cov lo ntsiab muag liab qab tuaj yeem txo qhov pom kev tsis pom kev tsis pom kev, yog li nws tsim nyog hnav tsom iav ntshav thaum caij tsheb kauj vab; grey lo ntsiab muag tsis hloov xim xim thiab tsis cuam tshuam rau xim txiav txim. ; Yellow lo ntsiab muag txhim khu kev sib piv nyob rau hauv pos huab hnub, tab sis tsis txhob hnav lawv thaum tsav tsheb; Yellow-ntsuab thiab ntshav kub-plated mercury lo ntsiab muag tuaj yeem lim lub teeb xiav zoo, haum rau kev ntaus golf, ua kom lub pob pom tseeb hauv kev pom. Tsis tas li ntawd, tsom iav kis las yog nyiam dua los tiv thaiv UVA thiab UVB hluav taws xob tiv thaiv tsom iav.
Nyob rau hauv kev xaiv ntawm cov duab ntawm kev ua si tsom iav, tsuas yog nco ntsoov lub ntsiab cai ntawm complementarity - puag ncig lub ntsej muag, lub ntsej muag square xaiv ellipse.