Kwiinkqubo zokugquma nge-vacuum (i-Vacuum Coating), izinga lokufaka linye yeeparameter eziphambili ezimisela ukusebenza kakuhle kwemveliso kunye neempawu zefilimu. Nangona kunjalo, amazinga okufaka aphezulu kakhulu okanye aphantsi kakhulu anokuchaphazela ngqo umgangatho wefilimu, ngaloo ndlela echaphazela ukukhanya, umbane, kunye...
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