Camera History

 

1. Explain the “camera obscura” effect. How is it achieved?

•  The "dark room" effect, is when in a completely dark room and a tiny hole is created in one wall. The hole acts like a lens when light is focused through it and projects the outside scene upside down on the other wall.

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

•  High quality glass lenses.

3. What were the parts of the first modern camera invented by Niepce?

• A dark box, a lens, and film.

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

• A lens, a dark box, and film.

5. What do digital cameras use to capture an image

•  A digital reusable film called CCD

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

• Auto, camera controls flash, just point and shoot.
• Program, you control flash, just point and shoot.

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

• The camera will attempt to blur out the background and use the fastest lens available.

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

•  To attempt to freeze motion, camera will use the highest shutter speed possible.

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

• In order to take more accurate pictures with better focus and faster response time.

10. What does this symbol mean?

 

When would you use this?

•  No flash and used when the natural lighting is more dramatic.

11.What does this symbol mean?

When would you use this?

• Auto flash, the camera will use flash if it thinks the situation calls for more light.

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

• The photo will be washed out,

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

•  The photo will be too dark.

14. What is a “stop.”

• A relative change in the brightness of a photo.

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

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?

• How much light passes through

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

•  Larger Openings=Smaller F-Stop Numbers