Friday, September 6, 2013

Camera History and Information Questions

1. Explain the "camera obscura" effect. How is it achieved?
Camera obscure is a latin word for "dark room" Inside the dark room, a tiny hole is created in one wall. Through the hole light is focused, and the outside scene is projected (upside down) on the opposite wall.

2. What invention during the 17th Century helped man get a step closer to creating the modern camera?
Glass lenses

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

4. What do modern digital cameras have in common with Niepces camera?
Light passes through the lens, into the camera, and exposes the film.

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

6. What is the difference between the Auto Mode and the Program mode?
Auto mode: Controls the flash and exposure.
Program mode: Flash and exposure must be adjusted manually.

7. What is the Portrait mode used for? How does it work?
To Blur out the background, camera will try to use the fastest available lens setting (aperture).

8. What is the Sports mode used for? How does it work
To freeze motion, camera will use the highest shutter speed possible.

9. Why should you do half press on the trigger button?
To allow the camera to go into focus lock, telling you its ready for you to take the picture.

10. What does this symbol mean? When do you use this?
This symbol means disabled flash, meaning no flash will go not go off. This would be helpful when you are taking a picture and you want to capture the natural light.

11. What does this symbol mean? When would you use this?
This symbol means Auto-flash. When Auto-flash is enabled by default it will automatically fire if the camera thinks it needs more light.

12. What happens to your photo if there is too much light?
 Too much light can cause the photograph to seem washed out.

13. What happens to your photo if there is not enough light?
The photograph will be too dark.

14. What is a "stop."
The term "stop" represents a relative change in brightness of light.

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

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

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

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

19. What does the aperture control?
It controls how much light comes in the camera.

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

No comments:

Post a Comment