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1.56 Semi Igqityiwe ifoto engwevu Iilensi zamehlo
I-lens yeglasi ye-lens yokuguqula umbala iqulethe inani elithile le-chloride yesilivere, i-sensitizer kunye nobhedu. Ngaphantsi kwemeko yokukhanya okufutshane kwamaza, inokubola ibe yi-athomu yesilivere kunye ne-athomu yeklorini. Iiathom zeklorini azinambala kwaye iiathom zesilivere zinemibala. Uxinaniso lweeathom zesilivere lunokwenza i-colloidal state, nto leyo esiyibona njenge-lens discoloration. Ukomelela kokukhanya kwelanga, ngakumbi iiathom zesilivere ziyahlukana, i-lens iya kuba mnyama. Ukuncipha kokukhanya kwelanga, iiathom zesilivere ezimbalwa ziyahlukana, i-lens iya kuba lula. Akukho kukhanya kwelanga ngokuthe ngqo kwigumbi, ngoko ke iilensi zingenambala.
