How to turn on the Canon flash?

Open in p, a, s and m modes. When you need to use the flash, press the button marked with flash on the left side of the camera and the built-in flash will pop up. Press the shutter button completely and the flash will flash. Or turn it on in full automatic mode, and the camera will automatically jump up and flash when the flash is needed. Flash is a kind of light compensation equipment, which can ensure that clear and bright pictures can be taken in dim light. When shooting outdoors, the flash can also be used as an auxiliary light source to emphasize skin color. Special effects can also be arranged according to the photographer's requirements. The flash is compact, safe to use, convenient to carry and stable in performance.