Some people wear diving into the process of water, for only two reasons:
1. your face is a special face - very narrow, can only wear children or young people's style (two eyes shall not exceed 8CM)
2. If the face is a normal face, that is, wearing a problem.
Silicone face mirror can not be too tight, to feel comfortable because of the pressure under the pressure will be pressed mirror (try Le too tight and the face will be sealed silicone face mask deformation, the edge will tilt, how Can not water, comfortable to wear underwater pressure natural mirror and face close).
Wearing a bit too, the lips of the part of the cover too much, a little mouth there is water into the water, there is a possibility to bring the mirror after the nose do not breathe, nose breath will cause fog in the mirror, Between the mirror and the face of the gap, water.
In the diving process as far as possible to keep the facial muscles less active or inactive, so as to try to avoid the infiltration of water.To know that any diving mirror can not guarantee that different people wearing a mask is not water.
Diving mirror fog: