street photography is unmediated, documenting every day life. The subjects in the photos are often not expecting to be photographed or do not notice it at all. They are often taken in the street but are not limited to this, as long as they are un-staged pictures that tell us more about a persons life, personality and story. It originated from people documenting time when cameras were first invented and is now used as an educational and creative way to give people a different perspective on the society. Street photographs aim to capture a persons emotions and often portray a certain class or group of people.
What is Candid Photography?
Candid photography is photography of people who are not posing, they are often minding their own business of interacting wit other people. the subject may be aware that a photo is being taken however they will not be directly interacting with the photographer. This style of photography is achieved in many ways, for example when the subject is in motion, or surprised in a situation. One of the first photographer to take candid photos was Dr. Erich Salomon a German photographer who took candid photos of wealthy men and politicians in the late 1920’s.
https://digital-photography-school.com/11-tips-for-better-candid-photography/