Camera History and Basic Functions

The Camera
1. Explain the “camera obscura” effect. How is it achieved?
"The obscura" is the latin word for dark room,and was the first camera. The hole would act 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? Glass lenses
3. What were the parts of the first modern camera invented by Niepce? 
The dark box, film,and glass lenses
4.What do modern digital cameras have in common with Niepce’s camera?
Despite the technology on them ,modern cameras still have a lens for light to pass through, and expose the film to result in a photograph.
5. What do digital cameras use to capture an image?
A electronic sensor called a CCD

Camera Modes
6. What is the difference between the Auto Mode and the Program mode?
With auto mode the camera completely controls flash and exposure, Unlike auto mode,in program 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 mode is used to attempt to blur out the background, the camera will also 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 freeze motion, and uses the fastest shutter.

The Half Press
9. Why should you do a half press on the trigger button?
If the subject is somewhat off-centre, the auto-focus may be fooled will tell the camera that you're almost ready to take a shot and to be prepared ,also triggering the following things to happen:focus lock and Faster Full-Press Reponse.

Controlling Flash
10.What does this symbol mean?When would you use this?
Disable flash is used when the natural lighting would produce a better picture.




Introduction to Exposure
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 to dark

The Universal Stop
14. What is a “stop.” 
   A term 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 suns instead of one?
   1 stop
16. How many stops brighter is the new planet if there are four suns instead of two?
   2 stops

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

Has more light.

18. What affect does a shorter shutter speed have?

Has less light.
19. What does the aperture control?

It captures the light before the film

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

Let it have a larger opening