Wednesday, September 12, 2012

Camera History and Information

1. Explain the “camera obscura” effect. How is it achieved?
In a completely dark room, a small hole is created through a wall. There, the light is focused, and the scene is projected on the opposite side.



2. What invention during the 17th Century helped man get a step closer to creating the modern camera?
The invention that helped man get closer to creating the camera was high quality lenses.

3. What were the parts of the first modern camera invented by Niepce?
The parts that were invented by Niepce were the glass lenses, a dark box and film.







4.What do modern digital cameras have in common with Niepce’s camera?
Digital cameras have glass lenses, like Niepce's camera, and also have film (some cameras still do) and they're in a boxed shape.

5. What do digital cameras use to capture an image?
Digital cameras use almost the same technique that they used in the past. Light passes through the lens, in the camera, and shows the film. 

6. What is the difference between the Auto Mode and the Program mode?
The difference between Auto Mode and Program mode is that in Auto, the camera will completely control flash and exposure whereas Program just assists the photographer.

7. What is the Portrait mode used for? How does it work?
Portrait mode is used to attempt to blur out the background so it will show off the face.

8. What is the Sports mode used for? (not just sports) How does it work?
Sport mode is used for stopping movement so it can capture the picture in movement.

9. Why should you do a half press on the trigger button?
It focus locks on the photo so you can get a photo that is focused on the item that you want it to be focused on.


10. What does this symbol mean?









This symbol means the flash is off.

 When would you use this?

You would use this when you have good lighting and don't need flash.

11.What does this symbol mean?






















This symbol means that flash is automatic, and the camera decides on whether to use it or not.

When would you use this?

When you are unsure of whether or not to use the flash.

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

If there is too much light, the picture will be washed out.

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


If there is not enough light, the picture will be too dark.


14. What is a “stop.”



It is used in every aspect of photography to show a change in the brightness of the 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?


It adds more light in the photo.

18. What affect does a shorter shutter speed have?


It doesn't have as much light in the photo as a longer shutter would have.

 19. What does the aperture control?




 It controls the light in the photo.

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

You go down on the numbers, the smaller the number, the bright the picture is.

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