I.Intu ukuveliswa kweefoto zefoto
A. Inkcazo kunye nokusebenza:Iifoto zeFotochromic, idla ngokubhekiswa kwiilensi zotshintsho, ziilensi zamehlo ezenzelwe ukuba zimnyama ngokuzenzekelayo xa zikhanyisa i-UV kwaye ibuyela kwimeko ecacileyo yokukhanya xa ukukhanya akusekho. Oku kuyasebenza kakuhle kwenza iilensi ukubonelela ngokhuseleko kwilanga eliqaqambileyo kunye nelitha, zibenza bazilungele ukusetyenziswa ngaphakathi nangaphandle. Xa ityhilwe kwi-radiation ye-UV, iilensi zisabela ngendlela emichiza ebangela ukuba zimnyama, zibonelela ngomphathi onombono okhululekileyo kwiimeko ezahlukileyo. Nje ukuba ukukhanya kwe-UV kuyancipha, iilensi zibuyela kwimeko yabo ecacileyo. Eli nqaku leeleyile zefotochromic ivumela ukuba kubekho indawo engenamthungo kunye nokutshintsha indawo yokuhlala, ukunciphisa isidingo sokutshintsha phakathi kwamagqirha kunye nee-slulles.
B. Imbali nophuhliso:Imbali yee-lentole ze-Photochromic inokulandelwa emva ekuqaleni kweminyaka yo-1960. I-corning glass isebenza (ngoku kudibanisa) iphucukileyo) yaza yazisa ilensi yokuqala yorhwebo ngo-1966, ebizwa ngokuba yi "Tekepray" lens. Ezi lenses zizinto ezimnandi kuba zimnyama ngokuzenzekelayo xa zivezwa kwimitha ye-UV, emva koko ibuyele kwilizwe elicacileyo ngaphakathi. Ukuphuhliswa kweTekhnoloji ye-THOW ye-Lens ibandakanya ukubandakanya iimolekyuli ezibuthathaka kakhulu (zihlala zihamba khona i-illide yesilivere okanye i-organic computers) kwizinto zensimbi. Ezi molekyuli zingena kwimpendulo yekhemikhali ehlaziyiweyo phantsi kwempembelelo ye-Ultraviolet, ebangela iilensi zimnyama. Xa i-UV Rays iyenza buthathaka, iimolekyuli zibuyela kwimeko yazo yasekuqaleni, yenza iilensi ziselubala. Kwiminyaka edlulileyo, inkqubela phambili kwizixhobo kunye neenkqubo zokwenza imveliso zikhokelele kuphuculo kwi-Photochromic Lens, ezinjengokuvula okukhawulezayo kunye nokunganyangeki okukhulu, kunye nokunganyangeki okungcono kutshintsho lobushushu. Ukongeza, ukungeniswa kweelensi zefoto ngemibala eyahlukeneyo kunye nemifusa kuye kwandise ubomi bazo kunye nokubhenela kubathengi. Namhlanje, iifoto zefolpheromic ziyafumaneka kubavelisi abahlukeneyo bemehlo kwaye baba lukhetho oludumileyo lomntu ofuna lula iliso elinokuziqhelanisa neemeko ezahlukeneyo zokukhanyisa. Uphuhliso oluqhubekayo kwiTekhnoloji ye-Lens ye-Lens iyaqhubeka nokugxila ekuphuculeni iipropathi zawo ezibonakalayo, ukuqina kunye nokuphendula ngokutshintsha kunye nokukhusela uMphambukeli.
II.Properties kunye neempawu
A. Imvakalelo yokukhanya kunye nokuSebenza:I-lenseschromic lenses yenzelwe ukwenza ukuba isebenze kwimpendulo kwi-Ultraviolet (UV). Xa ityhilwe kwimitha ye-UV, iilensi zisabela ngendlela yobumnyama, ebonelela ngokhuseleko kwilanga eliqaqambileyo. I-Photochromic lenses isebenze kwaye inomdaniso kuxhomekeke kubunzulu be-UV. Ngokubanzi, iilensi ziya kuba mnyama kwilanga ngqo kunakwimeko yokukhanya ephantsi. Kufanelekile ukuba ingaba yinto yonke imithombo yokukhanya ikhuphe i-radiation ye-UV, intsingiselo ethile yokukhanya kwe-Indoor kwaye iWindows yemoto ayinakukhuphela i-lenses yefoto. Ke ngoko, iilensi zinokungabi mnyama xa zivezwa kwezi ntlobo zokukhanya. Nje ukuba umthombo wokukhanya we-UV ususiwe,I-Photochromic lensUya kubuyela ngokuthe ngcembe kwimeko ecacileyo. Xa i-UV Days eyenza buthathaka, inkqubo yokufakelwa yenzeka, ukubuyisa iilensi kucaqo lwawo lwangaphakathi. Ukwandisa intsebenzo yeelensi zefonti, kubalulekile ukuba uqonde izinto eziphembelelayo ukusebenzela kwabo kunye nemvakalelo yokukhanya. Oku kubandakanya ukuthathela ingqalelo ubunzulu kunye nexesha lokuvezwa kwe-UV, kunye neempawu ezithile ze-len ngokwayo. Ukongeza, isantya apho i-lenses isebenza khona kwaye i-feade ingahluka ngokuxhomekeka kwi-brand kunye netekhnoloji esetyenzisiweyo. Xa ukhetha iilensi zefoto, kuyacetyiswa ukuba inxibelelane nengcali yemehlo ukuqinisekisa ukuba iilensi zihlangabezane neemfuno zakho kwaye zinike inqanaba elifunayo lokukhanya kwemvakalelo kunye nokusebenza. Oku kunceda ekuqinisekiseni ukuba ufumana eyona ntuthuzelo ilungileyo kunye nokukhuselwa kwiimeko ezahlukeneyo zokukhanyisa.
B. UKHUSELEKO L. UVI-lenseschromic lensed ixhotywe ngokudibana okhethekileyo etshintsha ilensi icace gca ebumnyameni xa ityhilwe kwi-Ultraviolet (UV). Olu tshintsho lunceda ukukhusela amehlo akho kwiirandi eziyingozi kwaye luyingenelo ikakhulu kubantu abachitha ixesha elininzi ngaphandle. Xa i-UV Days iyenza buthathaka, iilensi zibuyele kwimeko yazo ecacileyo, ebavumela ukuba baziqhelanise ngokuzenzekelayo ukutshintsha iimeko ezilula. Eli nqaku lenza i-fotoformic lenses ukhetho oludumileyo lweglasi yamehlo kunye nee-slulles kuba zibonelela ngokukhuselwa kwe-UV kunye nokulula.
III. Izibonelelo kunye nezicelo
A. lula imisebenzi yangaphandle:Iifoto zeFotochromicNgaba lukhetho olukhulu kwimisebenzi yangaphandle kuba bafumana lula ngokuzenzekelayo ngokuzenzekelayo ukutshintsha iimeko ezikhanyayo. Nokuba uhamba nangeendawo ezinomthunzi, ukuhamba ngebhayisekile kumanqanaba ahlukeneyo elanga, okanye ukonwabela usuku ngaphandle, iifoto zefonti yefonti yokuziqhelanisa nokubonelela ngokubonakala kakuhle kunye ne-UV. Oku kuthetha ukuba awunyanzelekanga ukuba uqhukele izikhuselo ezahlukeneyo rhoqo, ubenzele ukhetho olufanelekileyo kwaye olusebenzayo kulo naliphi na inzondelelo yangaphandle.
B. Ukhuseleko lwezempilo:I-lenses yefotichromic, ekwabizwa ngokuba yilensi yotshintsho, nikezela ngezibonelelo ezahlukeneyo zempilo yamehlo. Ezi zilensi zimnyama ukuphendula kwimisebe ye-UV, ke ikhusela ngokuzenzekelayo kwimilinganiselo ye-UV eyenzakalisayo. Oku kunceda ukunciphisa umngcipheko wekhathalogu kunye nezinye izifo zamehlo ezibangelwa kukuvezwa kwexesha elide kwi-radiation ye-UV. Ukongeza, iilensi zefotochromic zinokuphucula intuthuzelo yokubona ngokunciphisa ilitha kunye nokuphucula umahluko kwiimeko ezahlukeneyo zokukhanya, ekugqibeleni zixhasa impilo yamehlo kunye nentuthuzelo ngexesha lemisebenzi yangaphandle.
C. UKUZIPHATHA KWIINGXAKI ZOKUGQIBELA:I-lenseschromic lenses yenzelwe ukulungelelanisa iimeko ezahlukeneyo zokukhanyisa, inikezela ngokuqatha ngeendlela ezahlukeneyo. Xa ityhilwe kwimitha ye-UV, ezi zelebhu zimnyama ukunciphisa ukuqaqamba nokukhusela amehlo kwiirayi eziyingozi. Oku kubangela ukuba balungele imisebenzi engaphandle njengokuhamba ngeenyawo, ukuhamba ngebhayisekile, kunye nokuhamba ngenqanawa, apho iimeko zokukhanyisa zinokutshintsha ngokukhawuleza. I-Photochromic lenseds ngokukhawuleza ilungelelanise kumanqanaba okukhanya okukhanya, ephucula intuthuzelo ebonakalayo kunye nokucaca, ukuvumela ababuthathaka ukuba bagcine umbono ofanelekileyo ngaphandle kwemeko yokukhanyisa. Oku kubangela ukuba oku kuqaliseka kwenza iifoto ze-Photochromimic indlela ethandwayo ngabantu abafuna ukhuseleko lwamehlo athembekileyo kunye nokuzithemba kwamehlo.
Iv. Ukuqwalaselwa kunye nokusikelwa umda
A. Ukuphendula ixesha lokukhanya:Ixesha lokuphendula leIifoto zeFotochromicUkutshintsha kokukhanya kunokwahluka, kuxhomekeke kuhlobo oluthile kunye nohlobo lwelensi. Ngokubanzi, nangona kunjalo, i-Photochromic lenseds iqala ukuthandwa kwimizuzwana yokuveza i-UV kwaye inokuqhubeka nokwenza mnyama ngaphezulu kwemizuzu eliqela de bafike phezulu kwi-tint eninzi. Zimisele ngokukhawuleza kangakanani iimolekyuli ezinokukhanya ngokukhawuleza kwi-lensi kwi-UV ekubonakaliseni ukuba ichaza ukuba kwenzeka njani inguquko. Ngokukwanjalo, xa iilensi azisafuneki kwii-Uva, ziya kuqalisa ngokuthe ngcembe, inkqubo edla ngokuthatha imizuzu eliqela ukubuyela kucacile ngokupheleleyo. Kufanelekile ukuba uqaphele ukuba isantya sokuphendula sinokuchaphazeleka kubunzulu be-UV, ubushushu kunye nobomi belensi.
B. Imvakalelo yobushushu:Imvakalelo yobushushu yeifoto zefolphe le zibhekisa kwimpendulo yelensi yokutshintsha kobushushu. Iileyile zefotochromic zinokuba nemvakalelo ethile yobushushu ngenxa yokwazi kwabo ukuphendula kwi-Ultraviolet (uv) kwaye ivela njani ngokukhawuleza ukusuka kwi-ted kunye ne-vice versa. Ngokubanzi, amaqondo obushushu agqithisileyo (abanda kakhulu okanye ashushu) anokuchaphazela intsebenzo yeefoto zefonti, mhlawumbi ebangela ukuba aphendule kancinci okanye anciphise uluhlu lwetonal. Qiniseka ukuba ujonge inkcazo yomenzi kunye nemiyalelo yokhathalelo yolwazi oluthile malunga nemvakalelo yobushushu ye-lenseschromic lenses.
C. UKUQHUTYELWA KWE-SPRAMIS eyahlukeneyo:Iifoto zeFotochromiczihlala zihambelana neentlobo ngeentlobo zeefreyimu zamehlo, kubandakanya inyithi, iplastiki kunye nezakhelo ezingenakuthengiswa. Nangona kunjalo, kubalulekile ukuqinisekisa ukuba iifreyimu ozikhethayo zilungele izinto ezithile ze-lens kunye nobungqingqwa. Kwi-lenses ephezulu yefolda, izakhelo ezine-pads eziguqukayo okanye iiprofayili ezisezantsi zihlala zicetyiswa ukuqinisekisa ukuba kufanelekile kwaye kuyaphephe imiba yobunzima belensi. Xa ukhetha izakhelo zeeleyile zefoto, kubalulekile ukuthathela ingqalelo ubungakanani kunye nemilo yeelensi, kunye noyilo lwesakhelo, ukuqinisekisa iziphumo ezilungileyo nezithandekayo. Ukongeza, izitayile ezithile zezakhephe ezinokubonelela ngokugubungela okungcono kunye nokukhuselwa kwelanga xa kusetyenziswa iifoto zefoto ngaphandle. Okokugqibela, kuyacetyiswa ukuba ijongene nengcali yakho ye-optician okanye eyemehlo ukuze iqinisekise ukuba iifreyimu ozikhethayo ziyahambelana neelensi zakho zefoto kwaye zihlangabezane nombono wakho kunye neemfuno zobomi.
IXESHA LOKUQALA: UJan-22 ukuya ku-2224