Iindaba
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Iilensi ezichasene nenkungu, ngeli xesha zibethe ubuso!
Ukuqala imowudi ye-sauna yasehlotyeni, umoya wokupholisa umoya awukwazi ukugcina umzuzu wobomi bakhe, ngenxa yomahluko omkhulu wobushushu obungaphakathi nangaphandle, usapho lwelensi lukhuphe inkungu nenkungu, kokubini ngaphakathi nangaphandle kweofisi, ihamba ecaleni kwendlela. Umzila ongaphantsi komhlaba, ukomelela ukubila, ilensi yef...Funda ngokugqithisileyo -
Khangela kude ubone kufuphi!Wazi kangakanani malunga neelensi zemultifocus eziqhubekayo?
Imiba efuna ingqwalasela ①Xa uthelekisa iiglasi, ubukhulu besakhelo bufuneka ngokungqongqo xa ukhetha isakhelo.Ububanzi kunye nokuphakama kwesakhelo kufuneka kukhethwe ngokomgama womfundi.②Emva kokunxiba iindondo, xa ujonga izinto kuzo zombini...Funda ngokugqithisileyo -
Kutheni abantu befuna iilensi eziqhubekayo?
Umbono omnye awusebenzi: Xa abantu abangaphezu kweminyaka engama-40 ubudala, iperi enye yeeglasi zombono omnye usenokungakwazi ukuhlangabezana neemfuno zabo.Babekwazi ukubona umgama kodwa bengasondeli, okanye babone kufutshane kodwa kungekhona umgama.Ngeli xesha, kufuneka banxibe iipere ezimbini zeeglasi, ...Funda ngokugqithisileyo -
Yintoni umahluko phakathi kombono omnye, i-bifocal kunye nenkqubela phambili?
1, Umbono omnye: Umbono omnye ubandakanya umgama, ukufunda kunye nePlano.Iiglasi zokufunda zingasetyenziselwa ukubukela ifowuni yesandla, ikhompyutha, ukubhala njalo njalo.Ezi glasi zisetyenziselwa ukubona izinto ezikufutshane ngokukodwa, ezinokwenza indawo yokuhlala yamehlo ibe ...Funda ngokugqithisileyo -
Kwenzeka njani ukuba abantu babe nombono osondeleyo?
Oyena nobangela wokubona kufutshane awuqondwa ngokupheleleyo, kodwa izinto ezininzi ezinegalelo kule mpazamo yokujonga kakuhle, ebonakala ngokubona kakuhle kufutshane kodwa kumgama omfiliba.Abaphandi abafunda ukujonga kufutshane bachonge ubuncinci izitshixo ezibini ...Funda ngokugqithisileyo -
Yintoni ukukhanya okuBlue kwaye kutheni kufuneka uthenge iilensi zokukhanya eziblowu?
Ukukhanya okuluhlaza okwesibhakabhaka kukukhanya okubonakalayo kunye nobude obufutshane kunye namandla aphezulu, kwaye kufana nemitha ye-ultraviolet, ukukhanya okuluhlaza kuneenzuzo kunye nobungozi.Ngokubanzi, izazinzulu zithi ukukhanya okubonakalayo kubandakanya imitha ye-electromagnetic ene-wavelengths ...Funda ngokugqithisileyo