Tuesday, September 10, 2013

1. Explain the camera obscura effect. How is it achieved? 
-the camera obscura which is Latin for dark room. This was the first camera. The hole 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?
-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?
-In 1827 Joseph Nicéphore Niépce added the final touch, He added film to create the first successful photograph.


4.What do modern digital cameras have in common with Niepce’s camera?
-The Light passes through the lens, into the camera, and exposes the film And The end result is still a photograph.


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?
Auto mode: The camera will completely control flash and exposure. On most cameras this is labelled "auto", on others simply "A". 
Program mode: Automatic-assist, just point and shoot. 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?
-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?
-to freeze motion, camera will use the highest shutter speed possible.


9. Why should you do a half press on the trigger button?
-A half-press will tell the camera that you're almost ready to take a shot and to be prepared

10. What does this symbol mean?
Disabled Flash 
-It means no flash There are many cases where you may not want flash at all. The mood of the photograph can sometimes be more dramatic when the natural light is used.

11. What does this symbol mean?
Auto-Flash
-In most camera modes, 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 stop


16. How many stops brighter is the new planet if there are four sons instead of two?
-2 stop

17. What affect does a longer shutter speed of have?
-Longer shutter speeds = more light




18. What affect does a shorter shutter speed have?
-shorter shutter speeds = less light



19. What does the aperture control?
-the aperture on a camera controls light.

20. When adjusting the aperture, how can you increase the amount of light?
-It controls the amount of light by 
closing up to restrict light, and opening up to let it through.

No comments:

Post a Comment