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Iilensi ze-Optical ze-1.56 FSV Blue Block HMC Blue Coating
Ilensi yeBlue Block, sikwayibiza ngokuba yiBlue Cut Lens okanye iUV420 Lens. Kwaye ineentlobo ezimbini ezahlukeneyo zelensi yebloko eluhlaza okwesibhakabhaka, enye yilensi yebloko eluhlaza okwesibhakabhaka, olu hlobo luyibloko yokukhanya okuluhlaza okwesibhakabhaka ngezinto ezibonakalayo; enye yongeza i-blue block coating ukuvimba ukukhanya okuluhlaza okwesibhakabhaka. Uninzi lwabathengi lukhetha ilensi yebloko eluhlaza okwesibhakabhaka, kuba ingabizi kwaye kulula ukujonga umsebenzi wayo webloko, kufuneka nje ipeni yokukhanya eluhlaza okwesibhakabhaka yanele.
