Likhalase tsa mahlaseli tse senyehileng: seo li leng sona le melemo ea mantlha

Litaba

• Melemo e meholo
• Bohlokoa ba lihlatso ka likhalase tsa mahlo

Khalase e khantšitsoeng ea letsatsi ke mofuta oa likhalase tseo lilense tsa tsona li etselitsoeng ho sireletsa mahlo mahlaseling a khanya a hlahang bokaholimo. Mahlaseli a UVA ke a amang lefatše haholo mme ka hona a bohlokoa ka har'a likhalase tsa letsatsi tse ntle. Leha ho le joalo, likhalase tsa mahlo tse loketseng ho fetisisa tse sirelletsang bophelo bo botle ba mahlo ke eona e nang le li-filters tse 3: UVA, UVB le UVC. Ka lehlakoreng le leng, likhalase tse phatsimang li fana ka matšeliso ponong ha li ntse li khona ho hlophisa tsela eo mahlaseli a kenang ka eona mahlong, e fokotsa lehlaseli.

Likhalase tsa letsatsi li bohlokoa ho sireletsa pono ea hau matsatsing a chabileng esita le matsatsing a koahetsoeng ke maru, hobane li qoba ho kopana ka kotloloho le mahlaseli a UV, ho thibela nts'etsopele ea mafu a mahlo ntle le ho fana ka matšeliso a pono. Ka lebaka lena, likhalase li lokela ho roaloa ke batho bohle matsatsing a letsatsi, esita le masea le bana, ha ba bapala kantle.

Melemo e meholo

Likhalase tsa mahlaseli tse nang le lilense tse khantšitsoeng li ka ba le melemo e 'maloa ea bophelo bo botle, tse ka sehloohong e le:

1. Sireletsa mahlo a hau liphellong tse kotsi tsa letsatsi, ho ba motlatsi o moholo ho ts'ireletso ea letsatsi e sebelisitsoeng letlalong;
2. Thibela botsofali pele ho nako le ponahalo ya dintshi ho potoloha mahlo le phatla;
3. Fokotsa kotsi ea lera la leihlo le mafu a mang a mahlo;
4. Matšeliso a maholo a pono ha u tsamaea ka ntle;
5. Fokotsa khanya le khanya;
6. Ntlafatsa bohale seo u se bonang;
7. Fokotsa haze le ho eketsa temoho ea 'mala.

Le ha li khothalletsoa hore li sebelisoe maemong ohle, lense ea polarized e loketse haholo ho sebelisoa lebopong, bakeng sa ho khanna le ho bapala lipapali tsa metsi kapa lehloeng, moo letsatsi le chabang haholo le bakang pherekano e kholo mahlong.

Bohlokoa ba lihlatso ka likhalase tsa mahlo

Likhalase tsa mahlaseli tsa boleng bo botle li theko e phahameng haholo, empa hangata li na le likhohola tse khethehileng tse thibelang ho feta ha khanya ea letsatsi, ho sireletsa le ho netefatsa bophelo ba mahlo. Bona tafole e ka tlase bakeng sa bohlokoa ba li-filtha tsena tse 4 ka likhalase tsa mahlo:

Ho na le mefuta e 'maloa' marakeng bakeng sa mefuta eohle ea sefahleho. Tse ling li ka etsoa hore li lekanye ho isa tekanyong eo motho a e hlokang, 'me li ka nka sebaka sa ts'ebeliso ea likhalase tse tloaelehileng matsatsing a letsatsi.

Likhalase tsa mahlaseli tse theko e tlaase le tsa maiketsetso ha lia lokela ho rekoa kaha re sa tsebe hore na li sireletsa mahlo letsatsing, kaha li kanna tsa se na li-filtha tse hlokehang, hape li ka baka mafu a mahlo, hobane lense e lefifi haholo lense 'me ka lebaka leo a pepeseha haholo mahlaseling a kotsi a letsatsi. Leha ho le joalo, boholo ba lihlahisoa tse rekisoang Brazil li na le li-filters tse ntle, ntle le likhalase tsa mahlaseli tsa letsatsi tse rekisoang le ho rekisoa ho barekisi ba seterateng.

Ho netefatsa ts'ireletso e felletseng ea letsatsi, ntle le ts'ebeliso ea setlolo se sireletsang 'mele le sefahleho, ho boetse ho khothaletsoa ts'ebeliso ea letsatsi le letsatsi ea likhalase tsa mahlo tse ntle, tse nang le li-filter tsa UVA, UVB le UVC kapa likhalase tsa mahlo tse nang le lense tse phophothehileng.