A progressive lens design is like a bi- or tri-focal lens in that it corrects more than one vision problem at a time. However, these lenses have no visible lines, improving the cosmetic appearance of ...
Viltrox's stock is only set to rise with the launch of its latest lens, the Viltrox AF 135mm F1.8 LAB. It's the first of Viltrox's premium 'LAB' series of autofocus lenses, and if the response ...