Tracer blocker – Alta Evolution – Briot

With Gravitech® technology inside, the Alta Evolution tracer blocker uses just one reference point to recreate a flawless 3D shape in just 4 seconds. With our patented GraviTech® technology, users achieve perfect shape reproduction and sizing with results that are superior to mechanical tracers. The high resolution camera can accurately capture the laser engravings on progressive lenses to make layout easy and stress-free. When the process in the Alta Evolution tracer blocker is finished, you can edge every lens with complete confidence.