Why Choose the Alta Evolution Gravitech® Lens Tracer / Blocker?

Gravitech® Patented Optical Tracer

Briot has developed the first optical tracing system capable of using just one reference point to recreate the a flawless 3D shape in just 4 seconds. With our patented GraviTech® technology, users achieve 1:1 shape reproduction and sizing with results that are superior to mechanical tracers.

Advanced Shape Detection and Repair

Our unique tracing system allows for the reproduction and repair of complex shapes with an intuitive interface that makes shape modification a breeze.

Wireless Communication

Wireless Communication

With integrated Wi-Fi and the ability to communicate and integrate with a variety of lab management software, the Evolution GT gives you unparelleled versatiltiy to adapt to your practice environment.


  • Automatic drill point recognition
  • Easy drill hole modificaiton and placement
  • Ability to add blind holes
  • Lens shape capture without a demo lens
  • Digital Lens Clock: measures the front base-curve of the lens in a matter of seconds.
  • Positioning accuracy within .05mm
  • Shape modification with both vertical and horizontal boxing modification
  • 10.5″ Color Touchscreen
  • LCD User-friendly touch based interface
  • Automatic calibration
  • Compliant with the VCA/OMA Communication Standard
Download Brochure (PDF)
Briot Evolution GT Remote Tracer

Product Gallery

Contact Us