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Underwater photography light diving flashlight
Diving flashlight is a type of underwater lighting. The earliest diving flashlights are used only for diver lighting, but as people are more interested in the sea, and the exploration of underwater ancient artifacts, the national marine geography exploration, the latest trend of underwater wedding Photography, etc., Underwater cameras are widely used in the seabed, and the development of the underwater photography light-uplighting is driven by the upgrade of submersible flashlights. It belongs to a higher demand diving flashlight!
For simple photo multi-use light lighting equipment
Professional diving flashlights require the following features:
1, using the brightness of up to 1000 lumens of the latest high-power original United States CREE XML U4.
It is shorter than the original diving flashlight head, with a light angle of 120, and a wider range of illumination for shooting intact underwater animals and plants.
2. It is required that the color temperature be around 5000K, and the image or video of photography can be closer to the reality of the subject.
3, photography is a kind of capture, beautiful picture is available and unattainable, it requires a higher battery life, 4 hours is just right.
4. The most important is the dedicated connector and bracket, which is convenient for connecting with the underwater camera and lighting more conveniently.
Buy diving flashlight
1. First of all, as a diving flashlight, emphasizing absolute waterproofness and stability, so you need to determine the depth range of your dive. It is recommended that you should be able to deeply dive 150 meters of waterproof effect. When diving, it is more practical.
2, the brightness requirements are also very high, the lighting time is enough (depending on the type of diving exercise), it is recommended that the CREE series of LED lamp beads, with advanced optical glass, the transmittance is almost 9% More than fifteen, light illumination is OK.
3, the requirements for volume and weight are not harsh, the size of hand-held lighting fixtures to facilitate the use of better flexibility.
4, the switch should be able to resist water pressure (usually the button switch can not resist the water pressure, the diving flashlight is mostly rotating or magnetic control switch) underwater operation is more convenient.
5. In addition, it is best to have a hand strap with a locking function to prevent accidental disengagement.
Flashlight precautions
1, can not directly illuminate the eyes, so as not to cause damage to the eyes;
2, do not use over voltage, the voltage should not exceed 4.5V, the positive electrode of the battery is facing forward, do not reverse, otherwise it will burn out the circuit board, pay attention to control the temperature change of the flashlight, non-professionals do not open the circuit board;
3. Please look for the positive and negative poles of the appliance when charging, do not overcharge and discharge, so as not to damage the battery life. Note: The rechargeable battery can not run out of electricity, otherwise it can not be charged;
4. When using a flashlight, check that there is no loosening at the threads. If the threads are not tightened, they may not be bright or bright.
5, flashlights to avoid placing in the sun or high temperature environment, after the flashlight stopped using, please take out the battery and put it in a cool dry place;
6, flashlight has the ability of waterproof life, generally no problem with rain, but does not have diving function, do not carry this flashlight to dived or placed on the basin for a long time, bath;
7. In order to keep the “O” ring (sealing rubber ring) and thread rotation smooth, please wipe the Vaseline oil on the surface 2-3 times a year.
 
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