Intova Air Lens: accessory wide angle lens for macro photography that can be used with Intova and other brand camera housings with 46mm thread mount that uses air as an optical element and works only when immersed underwater.
1) lens construction – 2 groups, 2 elements
2) depth rating – 160ft/50m
3) magnification – 0.75x
4) material – hard coated plastic lens and polycarbonate/ABS body
5) weight – 176g
6) dimensions – 105mm x 43mm