1.60 zvinoreva kuti refractive index ye lens ndeye 1.60, iyo yakakwirira refractive index, iyo yakaonda iyo lens yedhigirii imwechete.
MR-8 inonzi polyurethane resin lens.
1. Pakati pese 1.60 lenses, kushanda kwayo kwemaziso kwakanyanya kunaka, uye nhamba yeAbbe inogona kusvika 42, zvinoreva kuti kujekesa uye kuvimbika kwekuona zvinhu kuchave kwakakwirira;
2. Kusimba kwayo kunogona kusvika 80.5, iyo iri nani pane yakajairika lens zvinhu;
3. Kupisa kwayo kupisa kunogona kusvika ku100 ℃, kushanda kwacho kunenge kwakagadzikana, chikamu chachowo chakaderera.