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1.56 Semi-Tiav Ib Leeg Pom Kev Xiav Txiav Optical Lenses
Feem ntau, muaj rau hom refractive index ntawm cov iav resin: 1.50, 1.56, 1.60, 1.67, 1.71 thiab 1.74. Yog tias koj xav tau qhov refractive index siab dua, koj tsuas yog xav txog cov iav iav, uas muaj 1.80 thiab 1.90 los xaiv. Tsuas yog tias cov iav iav siv tsawg dua niaj hnub no, txawm hais tias cov ntawv iav kuj muaj cov refractive index qis dua, xws li 1.60 thiab 1.71.
