
AOI LIMITED was established in 1994 in Hong Kong, we are specialized in designing and manufacturing of Underwater Wide Angle Conversion Lenses, Close-up Lenses and various Lens Port Systems for underwater camera housings.
AOI LIMITED was established in 1994 in Hong Kong, we are specialized in designing and manufacturing of Underwater Wide Angle Conversion Lenses, Close-up Lenses and various Lens Port Systems for underwater camera housings.