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GULL MANTIS LV MASK 2018
Delivering both refined styling and maximized performance, this is the ideal twin-lens mask for skin diving and for scuba diving.
Inclination 10 degrees
The inclination angle and shape of the lens work together to extend the downward field of vision. You can see better through the arc down to chest level, which is where most diving tasks are carried out.
Skirt with curled lip and integrated strap clip
All-in-one design ensures firm but gentle contact with the face. When you pull on the strap, you get an effective seal that is less likely to leave impressions on your skin.
Normally, due to pressure squeeze and other causes, mask frames designed to improve the downward arc of vision tend to exert more pressure on the cheekbones. The soft damper relieves this stress.
The drain skirt design improves water expulsion during mask clearance and minimizes water pooling.
Inherits the form of the Mantis, but with reduced mask volume and even wider up-down and L-R arcs of vision. Wherever you dive, see across a wider field of view.
DX spec mask buckle
While the mask is fitted, the release buckle and fine pitch strap adjustability make it easy to find the most comfortable fit. Even wearing thick gloves, you can easily adjust the mask using one hand.
UV420 CUT lens
The UV420 Cut lens is able to block harmful HEV (highenergy visible light in 400 to 420 nm spectrum) which causes oxidative stress and deterioration of lutein.* * People say that lutein acts like natural sunglasses. It is present as a pigment in the retina, the crucial part of the eye that receives light and lets you see. Here, helping to prevent cumulative macular degeneration, it blocks harmful light and has an anti-oxidant effect. Lutein is destroyed when it absorbs harmful light. Its presence in the retina is limited and, because the body cannot make lutein, it can only be replaced by eating lutein-rich food.
How a tunnel looks with different colored light Orange light makes objects more visible by in increasing the contrast of shadowed edges. White light increases overall visibility by generally lighting everything more brightly. As in the orange-lit tunnel, a UV400 amber lens increases contrast. Meanwhile, a UV420 lens lets everything remain brighter overall. White LED light
An eye behind an ordinary lens -
Light tends to cause oxidative stress and lutein (pigment) deterioration.
An eye protected by a UV420 Cut lens -
Protection of lutein reduces oxidative stress:less pigment deterioration.
The UV 420 Cut difference*Photograph isrepresentative.