Camera History.

The Camera

1. Explain the "camera obscure" effect. how is it achieved?

the hold acted like a lens, focusing and projecting light onto the wall of the dark chamber.

2. what invention during the 17th century helped man get a step closer to creating the modern camera?

isaac newton and christian huygens discovered lenses for a camera which increased the sight of the camera.

3. what were the parts of the first modern camera invented by niepce?

niepce added a film and created the first successful photograph and modern camera.

4. what do modern digital cameras have in common with niepce's camera?

both cameras use light that 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.

Camera Modes

6. what is the difference between the auto mode and the program mode?

auto mode automatically has the flash and exposure of how the image comes out. program mode is simpler, you can also control the flash and you just aim and shoot and a good picture will come out.

7. what is the portrait mode used for? how does it work?

attempts to blur out the background; the camera will try to use the best lens at a fast pace.

8. what is the sports mode used for? how does it work?

used to freeze motion and it does this by using the highest shutter speed possible.

The Half Press

9. why should you do a half press on the trigger button?

to make sure the picture will come out focused and not blurry.

Controlling Flash

10. what does this symbol mean? 

disabled flash.

11. what does this symbol mean?

auto flash

Introduction to Exposure

12. what happens to your photo if there is to much light?

the picture will be washed out

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

will be to dark

The Universal Stop

14. what is a "stop"?

used to show the relative change in the brightness of the light.

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

1

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

2

Shutters and Aperture

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?

to see through the lens like a pupil.

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

the larger the opening, the more light you have.