Trident Magnifier and Case for Scuba Photographers Style:Round Lens and the dual button ergonomic

and the dual button ergonomic buckles make it even easier to adjust the strap

Durable Plexisol lenses with anti-fog and anti-scratch treatments

and Fn2) that can all be accessed from the housing handles

Suitable for Coldwater use (below 10 C / 50 F)

The Mares Viper is one of the most advanced mask designs on the market

Trident Magnifier and Case for Scuba Photographers Style:Round Lens and the dual button ergonomicThis Trident Underwater Magnifier comes with a protective neoprene case and two levels of magnification! Easy to use Neoprene case Two levels of magnification, large round is 2x magnification, inner round is 4x magnification