Camera History.

1. The "camera obscura" effect had a hole that was like a lens, it focused and protected light onto the wall from the dark chamber.
2. Understanding the optics and the process of making high quality glass lenses helped man get a step closer to creating the modern camera.
3. The first modern camera invented by Nicepce were a glass lens, a dark box, and a film.
4. Common things they have in that light passes through the lens, into the camera, and exposes the film.
5. Digital camera capture the images with an electronic sensor called CCD.
6. Auto, the camera will completely control flash and exposure. Program mode automatic-assist, just point and shoot.
7. It's to attempt to blur out the background, camera will try to use the fastest available lens setting.
8. It's to freeze motion, camera will use the highest shutter speed possible.
9. For faster camera response time, more control over focus, encourages better composition.
10. Its "Disabled Flash" no flash. There are many cases where you may not want flash at all. The mood of the photograph can sometimes be more dramatic when the natural light is used.
11. Its "Auto-Flash" in most camera modes, Auto-flash is enabled by default and will automatically fire if the camera thinks it needs more light.
12. If there is too much light the picture will be washed out.
13. If there isn't enough light then the picture will be too dark.
14. Represent a relative change in the brightness of light.
15. 1 stop.
16. 2 stops.
17. Has more light.
18. Has less light.
19. Can control by setting the "Aperture Opening", also known as a F-Stop.
20. Larger openings.