What are the three kinds of photographic lenses? What pictures are suitable for shooting?

There are correct answers at the top two levels.

If the landlord asks what pictures are suitable for shooting, it is estimated that he is asking about scenery, people, portraits and shooting birds.

Wide-angle: wide-angle portraits can be photographed, with scenery, culture and high level;

Medium telephoto: Quan Huafu 85mm and above, APS-C 50mm and above. Portrait, high level, can shoot scenery, should be able to do composition and subtraction.

Telephoto: Generally more than 200mm, it is easy to shoot portraits and birds, and it is easy to use when watching the zoo.

In addition: lens origin: there is a difference between the original factory and the deputy factory, and there is no big difference between novices. The biggest difference is the price.

Lens aperture: very important, commonly known as the dog's head is a small aperture. If you want to shoot some sugar water tablets, the background is difficult to blur. At the same time, it is very helpful for shutter speed, shooting ambient light, holding stability and so on. You'll know when it gets dark.