• LIGHT FOR DEEP DIVE System 1
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  • LIGHT FOR DEEP DIVE System 4
LIGHT FOR DEEP DIVE

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:Test PADI junior diving certificate must test 200m swimming?? I swim can not ah, how to do ah?
Is actually on your water observation, if does not have a fear of water, or water rescue capacity to go diving, for your life is also a kind of irresponsible behavior.
Q:I can swim. Where can I learn how to dive?
Swimming is not difficult. Especially in diving, sea diving, wind waves three feet, a fee. The landlord or physical exercises as long as they can swim, swim 200 meters, regardless of speed, can meet the minimum requirements. But the girls swimming diving is very suitable for shaping, freestyle swim well. It is also very beautiful learn
Q:I wonder why chickens don't swim and dive, but ducks do?
Chickens can swim! In the countryside, sometimes the chicken has no choice but to dive and swim across the river.But the chicken feathers without oil glands, will absorb water, long immersion in water will lose body temperature, and feather water absorption is very unfavorable to swimming.So chickens are not fit to swim and are naturally afraid of water.
Q:What's the difference between semi dry and fully dry and wet breathing tubes?
Semi dry:Is there a valve in front of the mouthpiece, prevents water from entering the mouth, but there are still water,Breathing a little resistance, but in diving beyond the depth of the respiratory tube, to avoid water directly into the mouth,It's the easiest device for beginners to get started with
Q:Which one is strong, swimming or diving?
The minimum resistance to climbing is greater than that of diving. Welcoming the small diving posture, always maintain the best, but is not long!
Q:Swim with flippers and diving flippers difference, long flippers and short fins each stroke is suitable for what?
Well, let's say something professionalThe general swimming is not fins. The kind of toys used in Decathlon water, buy, we do not talk about it.Professional use of fin swimming flippers, relatively short, but the web surface wide, push water area, two feet in a set of flippers in (oh, a bit like a mermaid's tail). Using the fin swimming kick, kick two feet together at the same time, so only a web.
Q:Do you have to swim in diving?
And the world's most famous diving certification on the 2, is PADI and NAUI.To obtain the diving license of these two systems, at least you should be able to swim,Any of the courses in the professional training program have long been designed to be "early swimmers"
Q:When I dive, heart in a few seconds, count to 30 seconds, his nose started a bit uncomfortable, as if to choke water, then I will not hesitate to raise his head to breathe (vital capacity is not very good, I) what method can improve my diving time???. I was swimming and diving, soon choked water nose
My problem is that I have a moment of swimming ventilation will quickly spit the water blown in one breath, but not to wear a nose clip swimming, this time is the most out of control with the nose, the problem is I do too little or what skills I did not find.In second, I wear a nose clip when swimming, the feeling is completely closed the nose cavity, no stale feeling, but in the nose clip will remove gas feeling, I do not know what kind of feeling is right.Third, are there any friends (preferably from nose to nose) that can tell me what you are doing when you are breathing?. I imagined that when entering the water with his nose out not to let water into the nose, and the water outlet of the moment to hold your breath and inhale through your mouth, then repeat. But I also have some problems, one is in the water under the nose breath is generally not like the mouth as well control breath, but not a continuous water breath naturally into the nasal cavity, and in water by using mouth to inhale, sometimes will not consciously use the nose (especially when the gas is not enough), will choked. How to solve this problem?. The two is how to like wearing a nose clip as a moment when breathing through your mouth to the water blown open, because in the swimming, the nose is of line and level, if not the water blown open, a nose but not consciously inhale, will be choking.
Q:Emergency call: No swimming. Can I learn OW diving lessons?
Before completing the PADI Open Water Diver course, your coach will ask you to demonstrate basic water skills
Q:What's the difference between diving and swimming?
Diving is intended for underwater survey, salvage, repair and underwater engineering operations and under the water activity in the carry case of professional tools. After diving gradually developed into an underwater activity as the main content, so as to exercise, and swimming is a person in the water in a variety of different postures to pull forward. Swimming classification can be divided into 3. parts: 1. practical swimming, 2. competitive swimming, and two synchronized swimming.

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