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FREE DIVING FINS, MASKS, SNORKELS & ACC

SUBEA Freediving double-lens mask FRD 500 - storm grey, reduced volume

SUBEA

Colour : Storm grey / Dark petrol blue

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Our design teams have created this mask for intermediate freedivers. It allows you to observe aquatic life while freediving up to a depth of 30 m The enlarged upward field of vision allows you to look up to the surface without raising your head. This reduces the risk of syncope when returning to the surface.

Technical Information

ADAPTED FIELD OF VISION

There is a risk syncope during a freediving session. This risk is even greater in the last 10 metres before reaching the surface.
It increases further still if the freediver raises their head to look up at the surface.
To reduce the risk of such a blackout, our design teams have developed a mask shape that increases the upward field of vision, without the diver needing to raise their head.

INTERNAL VOLUME

The volume of air inside the mask, between the face and the lens, represents the internal volume.
For freedivers and spearfishers, the internal volume of the mask must be as small as possible to facilitate equalisation.

EQUALISATION

The mask gets pressed against the face when diving. As you dive, pressure gets applied to the mask's soft skirt, reducing the internal volume and pressing the mask against the face. This phenomenon, which can cause pain in the eyes, can be avoided by equalising the internal pressure of the mask and the external pressure applied by the water. Simply breathe out gently through your nose. Air is very precious in underwater sports, so this equalising effect must be kept to a strict minimum.

SILICONE

Silicone is an extremely flexible material. A silicone skirt fits flexibly to the contours of the face, creating a watertight seal.

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Composition / advice

Composition
Skirt
100.00% Silicon
Frame
100.00% Polycarbonate
Lens
100.00% Glass - Mineral
Strap
100.00% Silicon
Buckle
100.00% Polycarbonate
Care instructions: Rinse in clean water after use.
Stock advice Store in a dry place away from light.
Restricted use : Never freedive alone. Do not jump or dive into the water.

Our commitments

Test Product Designed and tested by our teams in Hendaye (France).
Guarantee : 2 Years

Product benefits

Field of vision Increased upward field of vision for ascents.
Compact design Low volume for better equalisation when diving.
User comfort Very soft silicone, with a large contact zone. Micrometric buckle.
Durability Double-lens, scratch-resistant tempered glass.

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