The light when taking wedding photos.

1, called xenon flash lamp, also called xenon fill light lamp. It is an instantaneous flash, the speed is more than one thousandth of a second or even faster, and the brightness is much higher than the natural light at the same time. Usually used for high-speed fill light, can be used for instantaneous action, and can also be used as an auxiliary light source for photography under natural light. 2, the flash is also bright next to him, that is, the brightness is lower, or you can set the camera without its own flash; 3, professional photography will be used, but because it is not easy to carry, it is not as convenient as the camera's own flash. At present, it can't replace the flash, but it is only used in big scenes or indoors.