The Camera

1. Explain the “camera obscura” effect. How is it achieved?
It's the affect that if a call dark room has a tiny hole in the wall the light from the hole focuses whatever is outside.


2. What invention during the 17th Century helped man get a step closer to creating the modern camera?
The lens was created. 

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

4.What do modern digital cameras have in common with Niepce’s camera?
Light still passes through the lens and exposes the film just like the original one

5. What do digital cameras use to capture an image?
They use an electronic sensor called CCD.

6. What is the difference between the Auto Mode and the Program mode?
With Auto mode the camera controls everything but on Program mode the photographer can change some settings.

7. What is the Portrait mode used for? How does it work?
It is used to take photos of people and it blurs out the background by using the fastest available lens setting.

8. What is the Sports mode used for? (not just sports) How does it work?
It freezes motion by using the highest shutter speed.

9. Why should you do a half press on the trigger button?
The camera responds faster, the photographer has more control over focus, and it encourages better composition. 

10. What does this symbol mean? When would you use this?
It means that flash has been disabled, you would use this whenever you wanted to just use the natural light.

11.What does this symbol mean? When would you use this?
It means that the camera will automatically use flash, you would use this when you wanted the camera to "decide" whenever to use flash in a photo.

12. What happens to your photo if there is too much light?
The photo will be washed out if there is too much light. 

13. What happens to your photo if there is not enough light?
The picture will appear too dark if there isn't enough light. 

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

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

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

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

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

19. What does the aperture control?
It controls the light exposure. 

20. When adjusting the aperture, how can you increase the amount of light?
You make the aperture number longer (1 is longer than 1/500)