Camera History

1.  Explain the "Camera obscura". How was it achieved? 

The Camera obscura is set up by making a hole in a dark rooms wall, through the hole light is focused, and the outside scene is projected.

2. What invention during the 17th Century helped man get a step closer to creating the modern camera?   In the 17th century, the modern camera came one step closer when 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?

He added film to create the first successful photograph, and the modern camera was born: A glass lens, a dark box, and film.

4.What do modern digital cameras have in common with Niepce’s camera?

Light still passes through the lens, into the camera, and exposes the film. 

5. What do digital cameras use to capture an image? 

Digital cameras capture the images with an electronic sensor called a CCD.

6. What is the difference between the Auto Mode and the Program mode? 

On Auto the camera will completely control flash and exposure but on Program mode unlike full auto mode, you can usually control flash and a few other camera settings.

7. What is the Portrait mode used for? How does it work?

Portrait is used to attempt to blur out the background, camera will try to use the fastest available lens setting (aperture).

8. What is the Sports mode used for? (not just sports) How does it work? 

Sports mode is used to slow down pictures, it shoots quick shots at a rapid pace.

9. Why should you do a half press on the trigger button?
You should half press the trigger button because it helps focus thpicture before you take it so it makes the picture more clear.

10. What does this symbol mean?
No flash. 

11. What does the symbol mean?u

Auto-flash is enabled by default and 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 and the picture will be washed out

13. What happens to your photo if there is not enough light?

Not enough light and the picture will be too dark.

14. What is a “stop.”?

The term "stop" is used in every aspect of photography to represent a relative change in the brightness of light.

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

1 more.

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

2 more.

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

It opens up to more light.

18. What affect does a shorter shutter speed have?

It opens up to less light.

19. What does the aperture control?

The aperture control the amount of light comes in.

20. When adjusting the aperture, how can you increase the amount of light?

You would have to open the aperture more.