Tuesday, September 8, 2015

The Camera: History and Information

The Camera

1. Explain the “camera obscura” effect. How is it achieved?
The "obscure Effect" was the first camera. The whole in the camera acted as a lens focusing and projecting light onto a wall of a dark chamber.
2. What invention during the 17th Century helped man get a step closer to creating the modern camera?
In the 17th century, the modern camera came one step closer for men 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?
The part of the first modern camera was film created by Niepce in 1827
4.What do modern digital cameras have in common with Niepce’s camera?
In common with Niepce's camera, the modern camera has Film, it is a dark box, and it has a lens.
5. What do digital cameras use to capture an image?
Digital Cameras use film to capture an image.

Camera Modes
6. What is the difference between the Auto Mode and the Program mode?
The difference between auto mode and program mode is that with auto mode, the camera will control flash and exposure. With program, you can just point and shoot but you can control the flash and exposure.
7. What is the Portrait mode used for? How does it work?
Portrait mode is used for blurring out the background and focusing in one main thing.
8. What is the Sports mode used for? (not just sports) How does it work?
The sports mode is used to freeze motion. Like taking an action shot and freezing the picture.

The Half Press

9. Why should you do a half press on the trigger button?
you should do a half press on the trigger button so the camera knows to focus before you actually take the shot.


Controlling Flash
flash_icon_disabled.png
This symbol means disabled flash. There is no flash on.

flash_icon_auto.png
This symbol means auto flash. This is when the camera automatically turns on the flash if it thinks the picture you are taking needs more light.

Introduction to Exposure
12. What happens to your photo if there is too much light?
If there is the too much light in the picture, the picture will be washed out.
13. What happens to your photo if there is not enough light?
If there is not enough light in the picture, the picture will be too dark.

The Universal Stop
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?
The new planet is 1 stop brighter.
16. How many stops brighter is the new planet if there are four suns instead of two?
With four suns, the new planet is 2 stops brighter.

Shutters and Aperture

17. What affect does a longer shutter speed have?
Longer shutter speed has more light.
18. What affect does a shorter shutter speed have?
A shorter shutter speed has less light.
19. What does the aperture control?
The aperture controls the opening of the camera
20. When adjusting the aperture, how can you increase the amount of light?
You can increase the amount of light by opening the aperture more.

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