Diving light equipment Sambo

Light equipment refers to the mask, snorkel and fins - Dive Sambo, when you have these pieces of snorkeling equipment on it, and scuba diving are also needed heavy equipment, referring to the buoyancy adjustment device (BC ), breathing regulator, scuba diving instruments, gas cylinders and so on. There are numerous diving equipment styles and colors, you can dive in the form, purpose, their own preferences and physical characteristics to select the different characteristics of the equipment.
Mirror - window to the underwater world
Try to open my eyes in the water, could see only a blur in the picture, it is because the density of water than air, the light will be refracted into the water. The focal length of the eye is based on the light to adjust the air, so keep your eyes mirror to the cavity, so that you have a clear line of sight. Mask and swimming goggles biggest difference is that the former is not only the nose covered with eyes still covered, because the dive in order to prevent extrusion, the need to balance the pressure within the nasal cavity, so the swimming goggles can not be used for diving.
Generally mirror the enhanced safety glass lenses, fitting face of the rubber or silicone base side and adjust the headband can be composed of a fixed position. Enhanced safety glass lens to prevent the risk of breaking into a highly elongated glass. Group is stronger than silicone rubber side of the material, it is because silicone rubber durable than 3-4 times, not easy to skin allergies, more soft and comfortable. Some mirror has a drain valve is a one-way valve mask is used to eliminate the water. Choose mirror of the most important points is appropriate and comfortable or not, other equipment as well. A mirror may be inappropriate leakage may also cause allergies and reduce a lot of fun diving.
Test mask fit or not, as long as the mask gently to your face (do not take headband) and then use the nose and the right mirror will close in the face until you exhale. Another point to note is, make sure you can easily pinch your nose in the mirror outside. A variety of mask styles, with single lenses, two lenses and a variety of multi-piece lenses, the lens is usually only two models available with corrective lenses.
The first time in the mirror can be used before using a soft cloth lightly moistened wipe toothpaste on both sides of the lens to remove the protective film. Mirror is required after each use with water to fully clean, placed in a dry and ventilated place, not exposed to direct sunlight. If you are using a mirror in the water, preferably warm water for a few minutes can be used to prevent corrosive salt scale production. If you can not wash immediately after use, preferably the mirror on the water, because the kill is difficult to completely remove the salt.
Breathing tube - breathe easily
You might think that since there is scuba diving cylinder and regulator, why one of the breathing tube is also standard equipment? Because first of all, when your water breaks or swimming, your face is looking down in the water or find something , you can breathe through the breathing tube in order to reduce the consumption of air cylinders. Second, when the water is rough, you can use breathing tube nozzle height is usually higher than the wave height and avoid the water poured into the mouth. Third, if you are away from the vessel or the shore water, and gas cylinders in the air was running low, breathing tubes more easily make your trip back to the boat or shore, your face on the water can be naturally . In the snorkeling, the breathing tube is necessary equipment, you can not stay on the rise in the water all day. Try it.
Breathing tube design is generally open at one end the other end there is a mouthpiece of the pipe. The upper breathing tubes (the tube body) is usually semi-rigid plastic tube, the bottom half of more than the silicone mouthpiece. A suitable curvature of the breathing tube should be appropriate (for your own face), about 2 cm diameter, length 30 to 35 cm. In addition to comfortable right outside the breathing tube still breathing easy. Trial, can be put mouthpiece between lips and teeth, against the left ear before the tube body, mouthpiece should fit comfortably and will not scratch the mouth or chin, caused by fatigue, and that is straight in her mouth The.
Webbed feet - provides a powerful forward momentum
Webbed feet wide area can provide you with a powerful driving force, so that you do not have to rely on paddling his hands to generate power, so both hands can be freed for other work. Webbed feet are divided into free now, and two sets of feet. Sets foot fins are generally used for warm waters, or snorkeling. No Genjiao fin used with the diving boots. Large and hard to use, fast and webbed feet, but the fatigue and cramping; small and soft, the lack of driving force fins.
Fins with different materials, design and features. Webbed feet design include: the keel, used to increase the hardness and balance fins; drainage holes to reduce the resistance of the fins to increase efficiency; diversion ditch, so that the level of slip over the fins to increase the speed. Select flippers according to your body, physical and diving environment, it is important comfortable and appropriate.