The Camera

1. Explain the “camera obscura” effect. How is it achieved?
       The obscura effect is when inside a completely dark room and a small hole is made in a wall, and a light is shone through one end, and it projects upside down on the wall in the other room.
2. What invention during the 17th Century helped man get a step closer to creating the modern camera?
      In the 17th century, Isaac Newton and Christian Huygens came to a better understanding of the process of making high quality glass lenses and optics.
3. What were the parts of the first modern camera invented by Niepce?
     Niepce came and added the final touch to the camera...FILM. With this, he took the worlds first picture.
4.What do modern digital cameras have in common with Niepce’s camera?
       Modern digital cameras contain glass lenses.
5. What do digital cameras use to capture an image?
      Digital cameras today use an SD card to hold images.
6. What is the difference between the Auto Mode and the Program mode?
      Auto Mode is completely the camera controlling. You just hold the camera up to shoot, and it automatically focuses and determines the flash and exposure. When on program mode, it will still auto-focus, but you can control exposure and the flash.
7. What is the Portrait mode used for? How does it work?
       Portrait mode is mainly used for when taking portraits. It focuses on one thing and attempts to blur out the background.
8. What is the Sports mode used for? (not just sports) How does it work?
      Sports mode is used for when trying to take action shots. "To freeze motion," as you could say. It is when you want a still photo of something is action.
9. Why should you do a half press on the trigger button?
     Half pressing on the trigger button will put the photo in focus.
10. What does this symbol mean?
 When would you use this?
      This button turns the flash off.
11.What does this symbol mean?
When would you use this?
      This symbol means auto flash. Auto flash allows the camera to enable flash if the lighting needs it. If you are in a dark area, this is a good time to use auto flash.
12. What happens to your photo if there is too much light?
      A picture with too much light will be very washed out and will be unable to make out the image 
13. What happens to your photo if there is not enough light?
       If it is too dark, then will once again, not be able to make out the picture or items in the photo.
14. What is a “stop.”
       A stop is a relative measurement of light.
15. How many stops brighter is the new planet if there are two suns instead of one?
       Double the light is one stop brighter.
16. How many stops brighter is the new planet if there are four suns instead of two?
        It would be two stops brighter.
17. What affect does a longer shutter speed of have?
       More light will appear.
18. What affect does a shorter shutter speed have?
       Less light will appear.
19. What does the aperture control?
       It controls the amount of light it lets in.
20. When adjusting the aperture, how can you increase the amount of light?
       By closing it.

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