Phil
Nolanis the President of Aquasight. The company has conducted
research and development in improving underwater vision and imaging
since 1989. Aquasight manufactured its first plano-concave lenses
in 1991.
Aquasight
lenses are a patented product protected by trademark.
*US Patent No. 5,359,371 US Patent No. 5,523,804 US Patent No. 6,460,994