The Enthusiast's Guide to Night and Low-Light Photography, 1st Edition

22. REMOTES, RELEASES, AND TIMERS ARE ESSENTIAL

LET’S SAY YOUR CAMERA is mounted on a tripod and it is as stable as possible, and then you press down on the shutter release button to take the photo. After the image is taken, you check to see how it looks and notice there is a slight blur. The physical act of pressing the shutter release button can cause small vibrations to travel through the camera, resulting in a slightly blurry image. Being able to trigger the camera without actually touching it reduces the chance of any camera shake and enables you to capture a sharper image.

There are numerous tools you can use to trigger the camera remotely, ...