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[Universal] Five different types of diving flashlights
With the improvement of human living standards, the desire to explore the mysterious sea has increased, and the diving movement has gradually developed from individual areas to all the coastal cities in the world. The diving clubs in the current Neihu city are booming. Due to the dim light of the seabed, people expect Can see everything on the bottom of the sea, a waterproof tool with good performance becomes urgently needed! The
Aquatic seafood has become a favorite food for humans, so there are more and more fishing workers! Therefore, the development of fishing, diving projects, underwater fishing and other underwater operations are the driving factors for diving lighting!
If there is demand, there will be a market. Human beings explore the flashlights of life in the past, and constantly adopt various techniques to improve the waterproof performance of the flashlight! The final diving flashlight was born! Due to the development of glare flashlights, various glare LED illuminators have been incorporated into the development of diving flashlights!
Diving flashlights are mainly divided into five categories:

The first category: diving lighting flashlights, is also the earliest original diving lighting, mainly the basic underwater lighting of divers.
1The design is simple, mostly adopts straight tube, the light source adopts high-power LED, and has various brightness requirements, which is suitable for most diving lighting environments.
The second category: diving fill light flashlight (aka: underwater fill light), currently the most used, the most demanding classification, mainly used for underwater photography, underwater video, underwater video, underwater search.
The following characteristics are required:
1 The latest high-power original US CREE XML U4/L4 with a brightness of 1000 lumens.
2 The head of the original diving flashlight is short and diffused, and the angle of light is about 90-120 degrees. The wider illumination range makes it easy to shoot complete underwater animal and plant videos.
3 The required color temperature is 5000K-5500K, and the captured image or video can be closer to the reality of the subject.
4 photography is a kind of capture, the beautiful picture is both available and not available, so it requires a higher battery life, 4 hours is just right.
The most important thing is to use the special lamp arm, connecting rod, ball holder and bracket to connect with the underwater camera for more convenient lighting.
The third category: split diving headlights, mainly used for engineering diving, fishing operations, underwater salvage rescue, cave diving and wreck diving lighting.
The following higher requirements are required:
1Using the maximum power LED light source, it is the most technical diving flashlight at present. It is like the daytime at night, and most of them have about three brightness, taking into account the high brightness and battery life!
2 The lamp holder and the lamp body are separated, and the middle is connected with a cable with good waterproof performance, which increases flexibility, can be worn on the head, and releases the hands, so that the underwater operation is more flexible and convenient.
3Using magnetic control switch, also adopting bidirectional switch, the head uses magnetic control switch, the operation is more portable, and it is safer at the same time, it can also increase the concentrating head, and it has both concentrating and astigmatism!
The fourth category: high-power underwater searchlights, mainly used for underwater oil exploration, underwater fishing operations, underwater farming, underwater exploration and so on.
1 also uses the combination of the maximum power LED light source to make the brightness higher, using a lithium battery pack, so that the battery life is longer!
2 Hand-held, easy to carry and flexible operation, and the illumination distance is very far.
3 The use of a more sealed magnetic control switch, and built-in battery pack, non-professionals can not be disassembled, more stable use, better waterproof.
The fifth category: underwater signal lights, mainly used for divers to communicate underwater, using light signals and gestures to convey information to the buddies, to facilitate communication and cooperation.
1 exquisite and compact, moderate brightness, mainly carried in diving helmets, mostly using dry batteries.
 
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