The refractive index of current eyeglass lens materials ranges from 1.498 (CR-39 plastic) to 1.74 (a specific variety of high-index plastic). So for the same prescription power and lens design, a lens made of CR-39 plastic will be the thickest lens available, and a 1.74 high-index plastic lens will be the thinnest.
Principal photography on the film began on April 25, 2016, in Pittsburgh, Pennsylvania, in the Hill District, and wrapped in mid-June 2016. Fences was released in the United States on December 16, 2016, by Paramount Pictures, received positive reviews and grossed $64 million.
Upcoming Fantasy movies 2017-2018. When does come out The Great Wall movie 2017. The masterpiece presented by Legendary and Universal Pictures Â«The Great WallÂ» is waiting for the release day on the 17th of February 2017. The film will appeal to the fans of thrillers, fantasy, action and adventure movies. The filmmakers.