The Camera

1. Explain the “camera obscura” effect. How is it achieved?
"Camera obscura" was the first camera. A hole acted as a lense to project light onto a dark wall.

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

3. What were the parts of the first modern camera invented by Niepce?
added film to create a successful photograph.

4.What do modern digital cameras have in common with Niepce’s camera?
a camera is still a camera, so they work basically the same way

5. What do digital cameras use to capture an image?
 an electronic sensor (CCD)

6. What is the difference between the Auto Mode and the Program mode?
program mode= just for point and shoot, auto mode= controls flash and exposure

7. What is the Portrait mode used for? How does it work?
you use it to blur out the background with the fastest working lens setting

8. What is the Sports mode used for? (not just sports) How does it work?
 Sports mode is used for freeze motion. You choose the shutter speed and then put it on sports mode.

9. Why should you do a half press on the trigger button?
to focus the camera

10. What does this symbol mean? When would you use this?
It means to turn the flash off

11.What does this symbol mean? When would you use this?
It means the flash is on auto mode.

12. What happens to your photo if there is too much light?
it'll wash out the photo and make it hard to see

13. What happens to your photo if there is not enough light?
the picture will look dark and it'll be hard to see

14. What is a “stop”?
a relative measurement of light

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

16. How many stops brighter is the new planet if there are four sons instead of two?
2 stops brighter

17. What affect does a longer shutter speed of have?
more light

18. What affect does a shorter shutter speed have?
less light

19. What does the aperture control?
it controls the light that reaches the film

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