What are the different characteristics of the three major lenses in photography?

1, the three major photographic lenses refer to objective lens, subjective lens and semi-subjective lens;

2. The objective lens objectively shows the scene from any position;

3. Subjective shots generally refer to close-ups;

4. The semi-subjective shot is also called over-the-shoulder shot, that is, the shot between the middle shot and the close shot.