Low Light Photography - One Long vs. Many Short

When shooting in subdued light, classic photography method is to select a very low shutter speed (tens of seconds or even more) to reveal the faintest objects. Therefore, we will take just one long exposure. One alternative way to proceed, however, is to take several short exposures of the same scene and then adding them up with editing software like Photoshop. This technique offers a wealth of advantages, leading up to better images and greater creativity.


Full article