China's Wu Minxia seeking 'perfection' with five Olympic diving records in sight
A muck stick or scuba dive lobster pointer is a fantastic tool to act as a monopod while taking pictures. It keeps the photographer, and your camera, from making contact with the reef, and can help support the weight of a heavy DSLR or vid rig and keep the photog in place, especially during macro shooting.
Is it necessary to take Surface Maker Buoy when you dive? most of divers don't take it seriously ,especially for new divers whose SMB are out of the list on their dive equipment .they think they will not use the Safety Sausage during their dive trip . in fact , Surface Maker Buoy play the important role saving your live in the certain environment when accident happen to you ,like boat passing you while you go to the surface of the water .
A diver's trim refers to his position in the water. A diver in good trim can hold a horizontal position in the water with no hand or fin movements. Trim is affected by arm, leg, and torso position, as well as by body composition and equipment configuration.