I-1.60 ithetha ukuba i-refractive index ye-lens yi-1.60, iphakamileyo ye-refractive index, i-lens encinci ye-degree degree.
I-MR-8 yi-polyurethane resin lens.
1. Phakathi kwazo zonke iilensi ze-1.60, ukusebenza kwayo okubonakalayo kukuhle kakhulu, kwaye inombolo ye-Abbe inokufikelela kwi-42, oku kuthetha ukuba ukucaca kunye nokunyaniseka kokubona izinto kuya kuba phezulu;
2. Amandla ayo okuqina angafikelela kwi-80.5, engcono kunezixhobo eziqhelekileyo zelensi;
3. Ukumelana nobushushu bayo kunokufikelela kwi-100℃, ukusebenza kuzinzile, umlinganiselo nawo uphantsi.