What are the conditions and foundations for learning photography?

There is no entry requirement for learning photography, as long as you like it. Knowing art is helpful to you, but you can't say that you can't learn photography without learning art. Award-winning photographers rarely learn art. Learning photography with second-hand SLR is the advice of experienced photographers. If it's a hobby, you don't have to go to school. If you need to study as systematically as you do at work