Our diving team has recently had an activity to challenge 200 meters underwater, and I wonder if the

I saw someone say that it is impossible to dive to 200 meters, which is more one-sided.

First of all, there are two types of diving: freediving and scuba diving.

There are leisurely and competitive freediving, and leisurely ones are generally more snorkeling, of course, it does not refer to the kind of snorkeling that has been on the surface, which is not detailed; The competition is divided into indoor (swimming pool) and outdoor (sea), there are many competition items, and the details are not detailed, there are relatively few people who play in China in freediving, but this circle is slowly expanding, but the current impression of freediving is not yet great to the depth of 200.

Scuba diving has leisurely diving and professional diving, leisurely diving can take a diving certificate (generally PADI certificate) and then you can go to the diving site to find a dive shop to rent equipment to participate in diving, this general depth will not exceed 30 meters.

There are more subdivisions of professional scuba diving, all kinds of special operations, etc. (you need to learn technical diving things, depending on the job requirements, not detailed), it is not a problem to rely on the diving cabin to equip scuba equipment to a depth of 200 meters, of course, you have to be professionals and special equipment to reach this depth.

As for your diving team, there are activities, challenging 200 meters underwater, I don't know what the specific activity or what competition, but the general competition is daytime, and will pick the sea area with better visibility, underwater staff and related lighting equipment (to a certain depth during the day is also no light) will also be in place, you really don't need to bring your own flashlight, and if it is a recreational diving want to participate in diving at night** some seabed luminescent creatures please search it directly, this kind of is not necessary to be too professional, just meet the lighting function.

Sorry, there's a lot of nonsense!

It is impossible to dive to 200 meters, and I would like to warn you of this!

Hello, I suggest you take a look at the D60 diving flashlight of Tankejia, which can reach a maximum depth of 200 meters.

Diving operations, it is best to have good quality, trustworthy, safety first, price is second. There is a TANK007 D60 extreme dive depth of 200 meters, and many deep diving associations use this.

The visitors are good, 200 meters underwater is no problem, **Tmall has it.

Of course, it is better to have a professional waterproof flashlight, because when working underwater, you have to consider the pressure of the water, and TANK007 has a professional diving flashlight, D60

Because your profession is professional and dangerous, it is recommended to buy high-quality, tank007's D60 is a magnetic switch, not only does not enter the water, but the visible range under the water is also upper.

Definitely, don't you see a documentary on TV with a diver? 5 meters isn't very deep, right? It's okay to put the strong light torch in a well-packed bag. To give you a **link reference.

Generally, xenon bulbs and integrated barrels are used to match the sealing ring waterproof switch to rotate or push and pull, because the button switch does not carry water pressure. The domestic Shanrui U40 flashlight is of very good quality and can be used normally at 100m underwater, and it is also cheap, about 100 yuan.

Diving should be waterproof and pressure-proof. Won't be expensive either. You can go to that kind of MRO distribution company, they generally have products from high-end to low-end. I know there's a company called Guyer, you can check it out, it's a similar company.

**It depends on the thing, there are good and bad.

However, the diving flashlight is definitely waterproof, and it can be used at a depth of 40 years.

Ordinary flashlights certainly won't do it.

It is a special structure that is used in diving environments such as pressure resistance and waterproofing.

It must be a lot more expensive, usually in the hundreds.

If it's bionics, I don't make it

If Naju is the other, fishing, underwater operations such as underwater operations such as underwater fishing and underwater salvage are all driving factors for diving lighting. Now, underwater photography also needs the help of diving flashlights, and the use should be more and more extensive

The dive itself must be able to tolerate the pressure of the water.

If you have otitis media, it is recommended that you do not dive, but there is a way for the landlord to have to go. Don't use earbuds (they don't work at all).If your ears are not a little water that can't be touched, it is recommended that you eat a piece of gum before diving and gently stuff it into your ears before entering the water (rest assured, you can hear the sound), it will definitely not leak, you may feel disgusting, but I have done it when I was training before, it works very well, and I am sure it will definitely wash it off.

Other conditions, I think, is to have a good body, do regular exercise, and have good physical fitness. Lung capacity is relatively good. The water is also relatively good. (These conditions are not and are nothing).

As long as you want to dive, the way is to see if you have the courage (I wish you a happy dive).

If you have otitis media, it is recommended not to dive, and you need to be trained to dive and be able to complete these diving courses and obtain a diving license.

Seeing that you are not a professional, I think you should not go.

Every 10 meters of diving, the pressure is 1/3 more than that of the ground, and the sea is 2-30 meters more shallow! Can you get your ears under pressure?

Also, it is the cylinder, the deeper, the less time it takes, and pay attention to decompression sickness, which is very complicated, you can check the relevant information.

I usually choose a diving flashlight to consider four aspects, diving depth, lighting brightness, portability and the ability to fill the light for the camera, so first of all, you need to determine the depth range of your dive, which determines the material and process of your flashlight, and secondly, whether you need a very bright light source, which determines the volume of the flashlight (or the time of lighting) and the brightness of the bulb, in addition, because you may need to bring a lot of equipment for diving, do you want the flashlight to be smaller and easy to carry, Finally, whether you have a professional camera light source, whether you need to use a flashlight to fill the camera with light, if you need to fill the light, whether the flashlight has a light spot, and whether the color temperature of the flashlight is suitable for the light is very important.

So it's not that kind of flashlight is good, but that kind of good flashlight is suitable for you.