Trident Aqua Optics Reader Inserts add magnification to your mask to improve the readability of your computers and gauges, and reduce eye strain.
Removable lenses provide a cost effective means for magnifying objects both above and below the water. They can be removed and re-installed in a new dive mask or different location. Available in +1.5, +2.0, +2.5, +3.0, +3.5 strengths. Lenses come complete with glue and instructions. Trident Aqua Optics Reader Inserts can not be glued onto curved lenses (prescription lenses)