Depth of field is where your camera lenses only focus on thing in your image when your lens of your camera is focused on a object it will blur out the rest of the photo. when the rest of the is out of focus the thing you focus on is the part which is clear.
What is shallow depth of field?
When the camera is only in focus of one thing, and the background is blurred, out of focus . also called focus range or effective focus range, is the distance between the nearest and farthest objects in a scene that appear acceptably sharp in an image.
What is medium depth of field?
Medium depth of field is when you only have around half or less of the picture in focus so the rest of the photo will be blurry , out of focus.
What is large depth of field?
large depth of field is when all of the photo is focus and none of the photo is out of focus. you usually use a large depth of for movies and landscape photos.