Tuesday, September 11, 2012

Camera History And Information.

1. The effect came to be known as the camera obscura. This was the first camera, the hole acted like a lens, focusing and projecting light onto the wall of the dark chamber.

2.In the 17th century, the modern camera came one step closer when Isaac Newton and Christian Huygens perfected the understanding of optics and the process of making high quality glass lenses.

3. The parts in the first modern camera had a glass lens, a dark box, and film.

4. They both pass light through the lens, into the camera, and exposes the film. The end result is still a photograph.

5. Digital cameras replaced old-fashioned plastic film, digital cameras capture the images with an electronic sensor called a CCD. Photographs are stored on reusable computer memory devices.

6. In Auto Mode the camera will completely control flash and exposure. In Program Mode there is an automatic-assist, just point and shoot. Unlike full auto mode.

7.The Portrait Mode is used to attempt to blur out the background.The camera will try to use the fastest available lens setting which is aperture.

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

9.If the subject is off centre, the auto-focus may be fooled. A half-press will tell the camera that you're almost ready to take a shot and to be prepared, triggering the following things to happen.

10. Disabled Flash is no flash. There are alot of cases where you may not want flash. The mood of the photograph can sometimes be more dramatic when the natural light is used.

11.  The Auto Flash is 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 and the picture will be washed out.

13. If there is not enough light and the picture is too dark. A good photograph depends on the exposure settings that will give the film the right  amount of exposure.

14. STOP is used in every aspect of photography to represent a relative change in the brightness of light.

15. 4 Stops

16. 8 Stops

17. Longer shutter speed means more light.

18. Shorter shutter speed means less light.

19. The aperture is like a pupil. You can control the aperture by setting the Aperture Opening, also known as an F-Stop.

20. You can control the aperture by setting the "Aperture Opening", also known as an F-Stop.

No comments:

Post a Comment