There are always lighthouses by the sea to guide sailors home, and there are prisons or military sites to guard night surveillance. These places are indispensable, so a good lighting fixture also plays a key role in some forms. Lighting for long distance shooting Traditional lamps do distance is limited, the irradiation effect of photosynthetic efficiency is low because of the traditional lights, lighting so alone is not enough to do small lens, Green light LED not only overcome the under high power LED heat dissipation problem, but also works on the principle of the secondary optics can the development…