LIGHT FOR DEEP DIVE
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First: diving flashlight switch magnetic control switch, open the barrier pressure is limited, and vulnerable to the impurity of the water seepage, some o-ring seal even susceptible to corrosion, so the diving depth, generally within 30 meters, and the service life of the very limited! There is no switch, rotary switch, equivalent to strictly is basic to eliminate open Achilles' heel of the mark, is one of the highend and depth of waterproof diving flashlight universal use, waterproof depth is more than 100 metres.
The second: a torch light source Currently widely used CREE LED series, is the most used Q5 / R5 / T6 / SWC100W, lumen is a kind of light units, 100 lumens is approximately equal to high power 1 w! CREE Q5, brightness can reach below 230 lumens CREE R5, brightness can reach about 350 lumens CREE T6, brightness can reach 1000 lumens SWC100W, brightness can be up to 10000 lumens
Third: use the flashlight batteries, the brightness of the different types of rival battery and battery life have influence! The same number of different batteries also have very big concern, at the current market popular diving flashlight note ARCHON (the pupil) as an example. Note ARCHON D20, using two 18650 batteries, battery life under 1000 lumens highlighted in 1.8 hours!!! Note ARCHON D22, using two 26650 batteries, battery life under 1000 lumens highlighted in about 4.0 hours!!! Note ARCHON D33, using three 26650 batteries, battery life under low light of 1000 lumens in about 9.0 hours!!!
Fourth: tube body material plastic tube body: weight is light and flexible, but easy ageing, the time is long easy to seawater corrosion, and if not careful fall on the ground, scrapped a high probability of tube body, not durable. : aluminum alloy cylinder body weight is a bit heavier than plastic tube body, flexibility is a bit poor, but very corrosion resistant, resistant to impact. Price is more expensive, highend brand aluminum alloy 1.5 meters diving flashlight can free fall, and appearance
- Q: I dare not swim, I should be afraid of choking water, so I can not swim until now, how can I quickly learn how to swim and dive?
- 2. water breath training1) to exercise their breath in water, do not worry about when they will be closed for water choked, fully believe in themselves, can pinch the nose without hands, can also easily be suffocated in water to 20 seconds. This step does not require you to move in the water. You can dive into the water and hold your breath.2) when the training reaches 20 seconds, you can try to crouch on the side of the pool and move your body further into the water. Because with the depth of water, the pressure of the water, the body under great pressure, you will feel nervous, because you can not swim, afraid of choking water, so to overcome your subconscious mind this subconscious fear is very important. You should like water, just want to go swimming, to achieve the purpose of physical exercise. You can squat in the water and feel the pressure of different depths of water, I think it is also a pleasant experience in the water.You can control your energy in the water in different depth (depth of not more than 75% of your height) that hold your breath, learn very quickly.
- Q: What's the best way to learn swimming?
- The water holding training 1) first in the water can exercise their own breath, do not worry about when they will be closed for water choked, fully believe in themselves, can pinch the nose without hands, can also easily be suffocated in water to 20 seconds. This step does not require you to move in the water. You can dive into the water and hold your breath. 2) when the training reaches 20 seconds, you can try to crouch on the side of the pool and move your body further into the water. Because with the depth of water, the pressure of the water, the body under great pressure, you will feel nervous, because you can not swim, afraid of choking water, so to overcome your subconscious mind this subconscious fear is very important. You should love the water, the wo Jing Pai pan caspase from mace Jiao Xia Mi Kang Du soil which destroy Xiyang Luzi g D school Xing Yi Huang Tuan people to sell a new name and color. Then gamma. Yak was Luo zinc with punishment? You can control your energy in water at different depths (the depth is less than 75%) of the height you breath, that learn very quickly.
- Q: Can't you swim? Can you take scuba diving lessons?
- Swimming and diving are different, ah, diving equipment, ah, of course, you can report ah, but for safety, it is best to first learn swimming lessons, not afraid of 10000, in case ah!
- Q: What is the depth of waterproof? Can you swim and dive?
- It is wearing such things, in less than this depth of water will not enter the water and damage. This depth is called waterproof depth.
- Q: Can't swim and dive?
- Because when diving, control buoyancy, will use the buoyancy controller, or BCD. Breathing, using a regulator and a gas cylinder to breathe in the water, as long as breathing, diving will not be a problem. Of course, the class will teach various skills, suitable for everyone to learn.
- Q: Why diving distance is not more than 15 meters in swimming competition?
- Because the diving is very fast, if not, when the athletes in the game will take diving, but this violates the purpose of swimming (swimming, so improve the level of the game) not more than 15 meters diving
- Q: I want to go scuba diving in Phuket, but I can't swim. Is that ok?
- In Phuket is also a relatively large Chinese hidden shop. The coach is also very conscientious and responsible. He usually follows the school without problems.
- Q: When swimming dive, suddenly feel the right ear into the water, and then the right ear to listen to the sound is very vague, do not hurt, just get ashore, just fine
- In view of this situation, my advice to you is: in general, the ear is not the water in the water, the water should be the time in your ears from the water, so you'd better not put my ear on horizontal plane
- Q: What's wrong with buzzing ears after swimming?
- Experts said that according to the symptoms described by patients, may be caused by ear disease ear buzzing, it is best to the professional ear nose throat hospital for examination, clear the condition. Ringing in the ear is ringing in the earsThere are many kinds of tinnitus, some are unilateral, while others are bilateral; some occur intermittently, and some continue; when light is quiet, they feel tinnitus, and when they are heavy, they feel noisy and noisy at work. The cause of tinnitus is as follows:A: ear disease: ear disease mainly refers to the outer ear, otitis externa, acute and chronic otitis media, periosteum perforation, the patients did not timely cure this kind of disease caused by clinical tinnitus patients mostly by ear diseases caused by.
- Q: Can not swim people can go diving to play?
- You mean diving there? If the swimming pool, I didn't learn to play often... But if you go to the pond these places... Better not. Don't bully the water
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LIGHT FOR DEEP DIVE
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