Depth Of Field
Put simply it refers to how blurry or sharp the area is around your subject. Depth of field is quite a misleading concept because physically there is one and only one plane in object space that is conjugate to the sensor plane. Depth Of Field Definition What Is Depth Of Field By Slr Lounge What Is Depth Of Field And Why It Matters In Photography Depth Of Field In Photography Explained The Ultimate Dof Guide