The difference between swimming goggles and diving goggles
The difference between swimming goggles and diving goggles, swimming goggles and diving goggles are different in structure, principle, scope of use, method, etc. .
1. The diving goggles have a device to seal the nostrils for ventilation.
2. The sealing structure of diving goggles is complex, and it is important to ensure airtightness and watertightness.
3. Differences in scope of use and protective parts: the scope of use of diving goggles can be used both underwater and on water, while swimming goggles can only be used on water; the eyes and nose protected by diving goggles should be Guaranteed airtight, while swimming goggles only protect the eyes from water, and the watertightness level is lower;
4. Differences in the use of essentials: diving goggles are generally used in conjunction with breathing tubes, diving breathing apparatus, etc. , It is generally required to use the mouth to breathe the gas, and only use the nostril to breathe in special circumstances such as the need to remove the water from the diving goggles or to balance the pressure inside the diving goggles. Swimming goggles do not have this requirement.
Therefore, swimming goggles cannot be used as diving goggles, but it is no problem to dive 5 meters and 10 meters. In general, swimming goggles and diving goggles are definitely not substitutes for each other.
How to choose swimming goggles And diving goggles
1. Selection of swimming goggles
It is best to buy swimming goggles by yourself, except to see if you are short-sighted In addition, it also depends on whether the rubber ring around the goggle frame is cracked, and whether the elastic band of the goggles is too loose or too tight. It is recommended to buy civilian swimming goggles, because the civilian frame has an aprons, which is more suitable for people who usually wear swimming goggles less.
2. Selection of diving goggles
a. Mask style: single window, double window. The single-view mirror has the largest field of vision; the dual-view mirror can replace the myopia lens, and the left and right degrees are different. There used to be masks with too many windows, but they are not popular at present, and the cavity space is too large.
b. Inner cavity space: The larger the inner cavity, the more restricted the field of vision. Pay attention to the cavity volume or try-on on the instruction manual, and feel whether the lens is closer to the face.
c. Is it suitable for your face shape: try on the previously selected mask, tilt your face at a 45-degree angle, wrap the mask strap forward, buckle the mask on your face, hold your breath (no Exhale from the nose), return the face to its original position, and shake it from side to side to see if the mask is firmly absorbed and will not fall off. If so, it means that the mask fits your face shape well.
Note: Snorkeling
masks and diving masks are different. The lenses of the diving mask are hydrostatically tested and can withstand the pressure of 50 meters of water depth, while the snorkeling mask generally only withstands the pressure of 10 meters of water depth. The edges of diving masks are made of silicone, while some snorkeling masks may be made of rubber, or there may be a problem with the composition of the silicone. Smell the odor in the mask, the silicone should be odorless, if the odor is pungent, it means the material is wrong. The slight smell may just be the smell of talc on the silicone and it should not be pungent, please note the difference.
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