Camera History

1.The camera obscure effect is achieved by putting a small hole in a dark room allowing light to focus and project light onto the wall of the dark room.
2. The invention of high quality glass lenses helped man get closer to creating a modern camera.
3. A glass lens, a dark box, and a film.
4.They are both composed of a glass lens, a dark box, and film.
5.Digital cameras use an electric sensor called a CCD to capture images.
6. Auto mode the camera automatically controls flash and exposure. Program mode you can change the flash and use other camera settings.
7.The portrait mode is used to blur out the background, the camera will try to use the fastest available lens setting.
8. The sports mode is used to freeze motion, the camera will use the highest shutter speed possible.
9. The half press is easy, you just gently press and release the button when it shutters. This is useful because it makes the picture fast, more control over the focus, and it encourages better composition.
10. It means there is no flash. You should use this when you have enough natural light.
11. This means the flash will automatically go off upon taking a picture.
12. Too much light and the picture will be washed out.
13. Not enough light and the picture will be too dark.
14.  A stop is a change in brightness  relative to the reference brightness.
15. The planet is +1 stop brighter.
16. The planet is +2 stops brighter.
17. A longer shutter speed means more light.
18. A shorter shutter speed means less light.
19.  Adjusting the aperture affects brightness.
20. When adjusting the aperture, making the opening larger will increase amount of light.