5D2 How to delay photography ~ Ask for advice.

What you said about delay is not accurate. You should at least call it long exposure, because delay generally has no effect. . Self-timer or anti-shake In general, long exposure can be based on shutter, and long shutter will have light track. With M and B doors, you can shoot all the time by pressing the shutter, which is suitable for shooting the track of the starry sky, but you need to release the cable and a good tripod. PS: nothing. Don't expose for a long time, it may hurt the machine.