Qhov zoo ntawm PC lo ntsiab muag

Ua ntej: PC khoom nws tus kheej muaj kev tiv thaiv ultraviolet muaj nuj nqi, uas yuav luag tiav 100% kev tiv thaiv ultraviolet muaj peev xwm.Nyob rau tib lub sijhawm, cov khoom siv tsis hloov xim thiab daj, yog li txawm tias cov khoom ua haujlwm sab nraum zoov, tsis tas yuav txhawj xeeb txog kev hloov xim ntawm lub PC lens hauv 3-5 xyoo lo lus nug.

Thib ob: hnyav dua!Tam sim no, PC lens yog ib qho ntawm cov teeb pom kev zoo.Yog tias tsis muaj teeb meem nyob rau hauv cov txheej txheem ntawm lub lens, qhov hnyav yog li 30% sib dua li cov ntaub ntawv zoo tib yam thiab li 50% sib dua li iav ntawv.

Qhov thib peb: PC yog ua los ntawm cov khoom khov, muaj zog toughness, tsis yooj yim rau tawg, thiab muaj kev cuam tshuam zoo heev, uas yog 10 npaug zog dua li cov ntawv resin thiab ntau dua 60 npaug zog dua iav ntawv!