The Camera

The Camera 
1. Explain the "camera obscura" effect. How is it achieved?
The camera obscura effect is the first camera. Greek and Chinese philosophers discovered that if a tiny hole is created in a completely dark room on a wall and light is focased, the outside scene is projected onto the opposite wall upside down.

2. What invention during the 17th Century helped man get a step closer to creating the modern camera?
Isaac Newton and Christian Huygens invented high quality glass lenses.

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

4. What do modern digital cameras have in common with Niepce's camera?
Modern digital cameras are still made of a lens, a dark box, and film.

5. What do digital cameras use to capture an image?
Digital cameras captures an image with  and electronic sensor called a CCD.

Camera Mode
6. What is the difference between the Auto Mode and the Program Mode.
 In Auto Mode the camera will completely control flash and exposure. In Program Mode You still just have to point and shoot, but you still have control over flash and other camera settings.

7. What is the Portrait Mode used for? How does it work?
Portrait Modes is used  for taking pictures of people. The camera attempts to blur out the background and use the fastest lens setting.

8. What is the Sports Mode for? How does it work?
Sports Mode is used to freeze motion and the camera will the highest shutter speed.

The Half Press
9. Why should you do a half-press on the trigger button?
You should half-press so the camera has time to focus and get ready to take the picture.

Controlling Flash
10.  What does this symbol mean? (zig-zag arrow with a circle around it and a line going though it) When do you use this?
The symbol is the disabled flash button. You use it when it is bright out or you don't want to use flash. The photo can be more dramatic when the natural light is used.

11. What does this symbol mean? (zig-zag arrow with the word AUTO next to it) When would you use this?
This is the Auto Flash. Auto Flash is a default mode and is used when the camera needs more light.

Introduction to exposure
12. What happens to your photo if there is too much light?
If there is too much light the photos will be washed out.

13. What happens to your photo if there is not enough light?
If there is not enough light the photo will be dark.

The Universal Stop
14. What is a "stop"?
A stop is a relative measurement of light.

15. How many stops brighter is the new planet if there are two suns instead of one?
The new planet is one stop brighter.

16. How many stops brighter is the new planet if there are four suns instead of one?
The new planet is two stops brighter.

Shutters and Aperture
17. What affect does a longer shutter speed have?
A longer shutter speed lets in more light.

18. What affect does a shorter shutter speed have?
A shorter shutter speed keeps more light our.

19. What does the aperture control?
The aperture controls how much light reaches the film.

20. When adjusting the aperture, how can you increase the amount of light?
You can increase the amount of light by making the aperture opening larger.