The mask is the most essential equipment needed for diving; without the mask, it is obviously impossible for you to see underwater. Choosing your masks carefully would help you maximize your underwater experience as well as your money’s worth.
The mask is mostly an underestimated piece of equipment. You could just imagine how much fun you could have with the mask alone or when paired with a snorkel. Alternatively, every scuba equipment wouldn’t mean anything without your mask.
Important features of a mask include a watertight seal with a strap to keep it in position. Plastic or low quality glasses are not recommended for anything other than casual snorkeling. You could test your mask’s fit by pressing it towards your face without strapping it. Check the seal by inhaling through your nose. If the mask sticks and no air gets in, it can be considered a comfortable fit.
While there are masks fitted with purge valves they are a risk to use while diving under one or two meters as it is not possible to clear them if the necessity arises. Mask clearing will be practiced during your basic skills open water training and you will learn how to hold the mask in such a way that exhaling through the nose will purge the inside of water. It is advised that a diver holds the mask firm while entering the water in order to prevent unnecessary water entering in the initial stages of the dive.
Advanced design masks can be fitted with glass that acts in the same way prescription spectacles do in order to assure optimal visibility. This can be of great assistance due to the fact that light refraction underwater makes everything appear 25 percent closer and just over 30 percent larger.
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