1.Camera Obscura which is Latin for "dark room". This was the first camera. The hole acted like a lens, focusing and projecting light onto the wall of the dark chamber.

2.The Modern Camera 

3.  understanding of optics and the process of making high quality glass lenses.

4 . They both have a lens 

5 . Exposure 

6Auto will completely control flash and exposure & Program is just point and shoot

7 . How does it work? To blur out the background 

8 .  To freeze motion 

9 . Its important because it because its focus the picture

10 . No flash 

11 . Auto flash , You would use it in the daylight 

12 . The picture will be too light 

13 . You won't be able to see the picture 

14 . A stop is a change in life.

15. It is 2 stops lighter if there is 2 suns instead of 1

16.It is 4 stops lighter if there is 4 suns instead of 1

17. A longer shutter makes it easier to take photos that are fast pass.

18. A shorter shutter makes it harder for fast pass pictures because it has to stay still for a little awhile.

19. Controls light goes throughout the lens

20. you can control the amount of light by using F-stops