A.He used a new kind of camera in a different way.
B In this way，it can get the perfect pictures.
C.He tried his best to paint a wonderful picture.
D.But the photographers had to carry many machines.
E.When the power is low，it can land safely.
F.So he invented a very simple camera in 1826.
   A Frenchman，Niepce，needed pictures for his business.But he was not a good artist.（1）

F

F

He put it in a window of his house and took a picture of his garden.That was the first photo.
   The next important date in the history of photography（摄影术）was in 1837.That year，Daguerre，another Frenchman，took a picture of his reading room. （2）

A

A

In his picture you could see everything very clearly，even the smallest thing.
   In 1840，photography was developed once more.Then photographers could take pictures of people and moving things. （3）

D

D

So it's not easy to take pictures.
   With the development of science and technology，a Chinese young man Wang Mengqiu，invented Hover Camera（无人相机）.It can record people and things more wonderfully.He once studied at Stanford University in the United States.He became famous overnight because of the invention.
   Hover Camera records movements with a 13 MP camera and takes 4 K videos You can use a smartphone to control jye.ai.It can follow you，flying or staying in mid- air. （4）

E

E

It is the best choice for weddings，sports games and holidays because Hover Camera is convenient for the users to carry.It can be folded，so it can be put into a small bag. （5）

B

B

   In the future，cameras will be designed better and better.People can take more lively photos and videos.