Firstly, put the plug of the shutter release in the camera shutter release socket, please aim the sign on the plug at the one on the socket(Only some models), then power on.
Half-press the shutter button on the camera, start the AF/photometric system, then half-press the shutter for accurate focusing.
Fully press the shutter release button, release the camera shutter then we can have an fast and stable shoot.
When setting the bulb of the camera, fully press the shutter release button and push ahead( as the graphical expression on the shutter release), then we can lock the camera shutter for a long exposure shooting, it is very convenient and efficient.
With reasonable design, shutter release about one meter long, heavy handle, good hand feeling, convenient carrying and good stability, recommend to use in night shot, product pictures, advertising photography, stage photography, commerci photography, etc.