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1.59 Polyakarubone HMC Lens optique
Ibikoresho rusange bya resin ni ibikoresho bikomeye byubushyuhe, ni ukuvuga ibikoresho fatizo bitemba, kandi ibyuma bikomeye bikozwe nyuma yo gushyuha. Lens ya PC, izwi kandi nka "space lens", "cosmic lens", imiti yitwa polyakarubone, ni ibikoresho bya termoplastique.
