What is meant by “dragging the shutter”? Is that anything different than using a slow shutter speed?
<<< Basic definition: "Dragging the shutter" refers to when you use a very *low sync speed* with your flash. Let's start with a common scenario: The usual flash photography situation is, you're in a room or reception hall with average (dim) lighting, you've got your camera with a portable flash attached. You've set your sync speed to the usual 1/125 sec, and your lens aperture to, say f8. No problem, you're set to take some photographs, and you do. Later, you get the roll back from the lab and see that all those flash pictures are perfectly exposed for the subject, but, disappointingly, all the backgrounds are dark -- it looks like the people were photographed in a dark cave. Ideally, you'd like the subject exposed properly, and the background to be light enough to add some context to the image. Whether it's blurred out or not is not such a concern -- you just want to see some light back there! Well, here's where "dragging the shutter" can help a lot. The reason the background comes ou
