Esinye sezici ezibalulekile okufanele zicatshangelwe lapho uthenga izibuko zamehlo ezinikezwe udokotela ukushuba kwamalensi. Ubukhulu bama-lens akho akuthinti nje ukubonakala kwezibuko zakho, kodwa futhi nokunethezeka nokusebenza kwawo. Ukuqinisekisa ukuthi wenza ukukhetha okufanele, kubalulekile ukuqonda izici ezithinta ukujiya kwelensi yengilazi.
Isici sokuqala okufanele sicatshangelwe amandla kadokotela. Lapho incwadi yakho kadokotela iphakeme, maningi amathuba okuba udinge amalensi aminyene. Imiyalelo eqinile ivamise ukubandakanya ukugoba okuqinile, okudinga izinto eziningi ukuze kuzuzwe ukulungiswa kombono okwanele. Uma unencwadi kadokotela ephakeme, ungase uthande ukucabangela amalensi anenkomba ephezulu. Lawa ma-lens aklanyelwe ngokukhethekile ukuthi abe mancane futhi abe lula kunamalensi endabuko, okuwenza abe ukukhetha okuhle kakhulu kubantu abane-myopia ephezulu.
Esinye isici okufanele sicatshangelwe yi-lens material. Izinto ezihlukile zamalensi zinezikhombo ezihlukile zokucwebeza, ezithinta indlela ukukhanya okugoba ngayo njengoba kudlula kulensi. Ngokuvamile, izinto ezinenkomba ephezulu zinenkomba ephezulu yokuphinda iveze, okusho ukuthi zingagoba ukukhanya ngokuphumelelayo. Ngakho-ke, amalensi anenkomba ephezulu mancane kunamalensi epulasitiki avamile wamandla afanayo kadokotela.
Ngaphezu kwalokho, ukukhethwa kwamafreyimu kuzophinde kuthinte ukushuba kwamalensi okubuka. Ozimele abangenarimless abagcwele bavama ukulingana amalensi aminyene, kuyilapho ozimele abangenarimu noma aba-semi-rimless badinga amalensi azacile ukuze alingane kangcono. Ngakho-ke uma ukhetha uhlobo oluthile lohlaka, qiniseka ukuthi ucabanga ukuthi luthinta kanjani ukushuba kwamalensi akho.
Okokugcina, izithuthukisi zamalensi ezifana nama-anti-reflective coatings nazo zingathinta ukujiya kwezibuko zakho. Lezi zembatho zinciphisa i-glare kanye nokucabangela kumalensi, ukuthuthukisa ukunethezeka okubonakalayo nokucaca. Nakuba zingathinti ngokuqondile ukushuba kwelensi, zingenza ilensi ibonakale izacile ngenxa yokuncipha kokubonakala kokukhanya.
Kafushane, kunezici ezimbalwa okufanele uzicabangele lapho ukhetha ukujiya kwelensi yengilazi yamehlo efanele. Amandla akho anikezwe udokotela, okokusebenza kwelensi, ukukhetha kohlaka, nezithuthukisi zamalensi konke kudlala indima ekunqumeni ukujiya kwamalensi. Ngokubonisana nochwepheshe be-optical, ungenza isinqumo esinolwazi esingeke sikunikeze kuphela ukulungiswa kombono okungcono kakhulu, kodwa futhi uqinisekise ukuthi izibuko zakho zikhululekile futhi zinesitayela.
Isikhathi sokuthumela: Oct-24-2023