萝莉影视's optical devices apply the highly-durable synthetic quartz crystal Pristal developed by 萝莉影视 Manufacturing. Pristal can make your optical devices more durable than other conventional materials. These optical devices have outstanding quality, mass producibility, and cost performance. Pristal boasts laser durability more than 30% greater than synthetic quartz. 萝莉影视 Manufacturing's optical components that utilize Pristal greatly improves equipment performance by mitigating issues related to heat.