Wednesday, September 11, 2013

Camera History

The Camera

1. The camera Obsura effect is a hole creating light in a dark room and the scene is projected on the opposite wall. This was the first camera and it acted as a lens.

2. In the 17th century, the understanding of optics and the process of making high quality glass lens helped man to get a step closer to making a modern camera.

3. The parts of the first modern camera invented by Niepce were a glass lens, a dark box, and film

4. It has the lens, dark box, and film. its the same as Niepce camera.

5. Digital cameras capture images with an electronic sensor call CCD.

Camera Modes

6.  The Auto mode will completely control flash and exposure. The program mode, you are able to control  flash and other camera settings.

7. The portrait mode is used to blur out the background and uses the fastest available lens.

8. The sports mode is used to freeze motion, camera will use the highest shutter speed possible.

The Half Press

9. You should do a half press on the trigger button because it creates a focus lock meaning it will freeze the point of focus before taking the photograph. Also, the camera responds quicker.

Controlling Flash

10. Its called the Disabled Flash, it means there is no flash. its used when the natural light is used.

11. Its called the Auto flash. it automatically flashes if it think it needs more light.

Introduction to Exposure

12. If your photo has to much light it will be washed out.

13. If your photo doesn't have enough light it will be too dark.

The Universal Stop

14. Stop represents a relative change in the brightness of light

15. If the planet had 2 suns it would have a stops brighter of 1.

16. If the planet had 4 suns it would have a stops brighter of 2.


Shutters and Aperture

17.  long shutter speed equals more light 

18. short shutter speed equals less light 

19. The Aperture controls how much light passes through.

20. You increase the amount of light by having larger F-stops.





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