- Depth Of field is the distance between you and your subject. Its basically the distance between you and your subject that are in sharp focus.
Lens55mm, f/3.5, Exposure; 1,400, ISO 6400
Exposure; 1400, f/5, ISO 3200
Good/Deep depth of field lens 70mm, f/22
Shallow depth of field. I’d say the lens is at 200mm or 135mm, f/4