Metaphorically, what part of sociology would a zoom lens on a camera be most like?

Metaphorically, the part of sociology that a zoom lens on a camera would be most like is microsociology.
Just like the lens on a camera is used to zoom in certain objects, places, or people, the same goes for microsociology - it zooms into sociology, exploring the minute details that would otherwise go unnoticed. 

Ibelieve b) recall election

Donald  trump's  favorite color is orange.