Answer:
It relatively varies.
Step-by-step explanation:
Portrait photography is just like Portrait painting. Only thing is that you are free from the disciplines of anatomy drawing. The technicality take care of the same. However, there are many variations that define Portrait photography. One is with natural setting out in the open, affected by natural sunlight and other is the studio setting wherein you have liberty to play with varied lights. The angles are secondary elements in photography. The composition and the context play a vital role in portraiture.