Prism 2 Tec Scuba diving mask The Atomic Fameless Mask-2 with

The Atomic Fameless Mask-2 with its large tempered glass lens and close-fitting skirt work in harmony to create perhaps the widest viewing angle of any frameless mask design

Easy Adjust "Squeeze-to-Adjust" Style Strap Buckles

Quick-Release Snorkel Keeper with 30° Rotation

Compact Design 2

switchable during a dive

Prism 2 Tec Scuba diving mask The Atomic Fameless Mask-2 withThis products Overview The PRISM 2 is an electronically or manually controlled, constant PO2, modular, closed circuit diving system. As open circuit (SCUBA) divers we rely upon filling our lungs with air from a pressurized gas tank with every inhalation and then exhausting that volume of air into the surrounding water with every exhalation. As we descend deeper the water pressure around us increases and the volume required to fill our lungs increases;