The Visio Tri-Ex boasts an ultra-wide viewing angle of 168 degrees. Designed and developed by the top engineers at Tabata Japan, the Visio Tri-Ex uses water refraction as an aid to increase the field of vision using 2 domed side-mounted lenses.
That's 61 degrees wider than the old model (Pano Geo)! And there's more! The Visio Tri-Ex frame is lighter and locks into place a high-quality crystal silicone skirt with extra wall strength, a wide face dimension and the same edge design found on the Serene masks released earlier this year.
One unforeseen benefit is that this mask can help keep you in better contact with your buddy. The side-mounted domed windows offers an amazing Panoramic-view ensuring you don't miss any special moment.
The Visio Tri-Ex also features some personal adjustments helping this mask suit any face. The side strap can be easily adjusted with one pull and the side buckles are fitted with the TUSA 5-point positioning system, which lock the angle of the frame in place. Pressure can be moved from the forehead to the upper l
Need prescriptive lenses? Unfortunately this mask isn't compatible with replacement prescription lenses BUT Tusa has a Universal Optical Frame Kit that allows a small range of minus corrective lenses to be added to any TUSA mask.ip depending on your comfort. This is especially outstanding for moustaches and smile lines.
Advice on how to prevent your mask from fogging can be found here-
How to Pre-Treat a Dive and Snorkel Mask