Depth of field is the near to far sharpness in your pictures. A picture with shallow depth of field has only the main subject in focus, and everything in front of it and behind it is blurred. The opposite is a picture with deep depth of field, where everything is sharp from right up close […]
Macro photography
Ultra close up photography where the camera is so close to the subject that it's reproduced at life size on the camera sensor. This is the definition of 'macro' photography – 1:1 reproduction.