The mask for swimming allows the person to see in water almost also well, as well as on air. Without it neither spearfishing, nor usual survey walk for the purpose of acquaintance to inhabitants of sea depths are impossible. Therefore it is very important to choose correctly the mask for swimming that it provided you the good review, didn't mist over and didn't flow.
Instruction
1. On the design the modern masks for divings consist of three parts: the rigid rim protecting lenses from breakage, the soft silicone case providing tightness and the adjustable fixing thong. Choosing the mask in shop, at first just apply it to the person, without dressing the thong. Make the breath the nose. If the mask shrank normally and suits you, it will stick to the person and will keep even without thong.
2. Now consider it in more detail. Shutters – the silicone rim of the case, have to be rather soft not to rub and to irritate gentle face skin. Color of the soft case is important too. Professional divers and underwater hunters prefer black opaque material. The viewing angle at the same time is narrowed, but lenses don't glare. When you buy the mask for slow underwater walks, choose color of the case according to the preferences, it won't affect quality of the mask in any way.
3. For this purpose, who is going to plunge for depth, compact masks with small volumes of submask space between lenses and the person will approach more. Carrying power at such mask is small and it won't extend to you on the surface at immersion. Choose the mask at which this indicator is in limits of 300 cubic mm.
4. The beginning diver for the first experiments of immersion will be suitable the mask with monoglass. That is more reliable that with two glasses. It is used for deep immersions. On sale there are also masks with the adjusting glasses, in this case you will be able to pick up suitable dioptries together with the selling assistant.
5. The tightness of the mask depends also on that, it is how reliable and convenient it will be set on the head. The fixing thong allows to adjust extent of pressing of shutters to face skin. It has to be supplied with rotary buckles and the special neoprene nozzle that long hair weren't torn out when you unmask.