IST Optical Lens for M80 Search, M200 Synthesis and ME80 Pro Ear Masks Diopter:-5.5 Foot pocket positioned below the

Foot pocket positioned below the blade increases working surface of the blade by 20%

Open foot pockets reduce drag

The IST Dolphin Tech Stainless Steel Double End Spring Clip

Ideal for use alone in tropical to warm water conditions for protection from the sun

The result is a blade that guarantees an undemanding fluid kick with reduced physical effort

IST Optical Lens for M80 Search, M200 Synthesis and ME80 Pro Ear Masks Diopter:-5.5 Foot pocket positioned below theCorrective lens for use with IST M80 Search, M200 Synthesis and ME80 Pro Ear masks Offers diopter correction from 1. 0 to 8. 0 (in 0. 5 decrement), +1. 0 to +4. 0 (in +0. 5 decrement) Tempered, scratch resistant glass Left and right lenses are interchangeable Lenses are sold individually The IST Optical Lens for M80 Search, M200 Synthesis and ME80 Pro Ear Masks lets both nearsighted and farsighted divers and snorkelers enjoy the benefits of ISTs