Seek the introduction course of SLR camera, I am a beginner and have no foundation.

Getting started with SLR cameras is not difficult, but mastering SLR is not easy. There are many things to learn just about the shooting skills of overhead flash of SLR: you can get excellent portrait lighting with overhead flash, and you don't have to spend a lot of money on expensive accessories to control the light, because everything you need is ready. The light directly generated by the flash is rough. You must do the following things to improve the light: 1. Create a large light source for the subject. 2. Illuminate the object from a different angle from direct illumination. In short, these skills can't be understood in one or two sentences. You need to study hard and figure it out for yourself. mzhy 100