Why is depth of field the opposite of blurry background? DOF refers to the part of the image that is sharp and in focus, it can however be used in a way that does blur the background around the focal point.
What are the three elements that affect Depth of Field? The distance between your camera and your subject, the focal length of your lens, and the size of your aperture.
When looking at the images of the guitars, what do you observe and why is it happening? The depth of field is being narrowed in on the single red guitar and the rest of the photo falls out of focus as the aperture and focal lengths are adjusted.
When creating a portrait, in what way can shallow depth of field hinder the photo? You could overdo the shallow depth of field and end up losing focus of parts of the subject's face.
Explain how foreground objects can be removed by shallow depth of field? Foreground objects can be blurred to create framing effects or can be blurred simply to keep them from appearing in the photo.