Camera History && Information....

Explain the "camera obscura" effect. How is it achieved? 

- The camera obscura is pretty much a dark room or box with one tiny whole for light to focus and on the outside a picture is presented.

What invention during the 17th Century helped man get a step closer to creating the modern camera?

- When Issac Newton and Christian Huygens finally understood hot to create high quality lens.

What were the parts of the first modern camera invented by Niepce?

- Film.

What do modern digital camera have in common with Niepce's camera?

- Light still passes through the lens and onto the film.

What do digital camera use to capture an image?

- Electronic sensor called CCD.

What is the difference between the Auto Mode and the Program Mode?

- Auto mode will control the flash and exposure and the Program Mode will allow you to control it yourself.

What is the Portrait mode used for? How does it work?

- It's used to blur out the background so you can see exactly what the picture is.

What is the Sports mode used for? (not just sports) How does it work?

- Sports mode is used to freeze motion, the camera will use the fastest shutter speed available.

Why should you do a half press on the trigger button?

-Faster camera response time, and more control over focus and better composition.

What does this symbol mean and how do you use it?
- This symbol means there's no flash or that the flash is disabled.

What does this symbol mean and how does it work?
- This symbol means auto- flash is enable by default and will automatically be used if the camera thinks it needs more light.

What happens to your photo it there is too much light?

- The photo will be washed out by the light.

What happens to your photo is there isn't enough light?

- The photo will be too dark to see.

What is a "stop?"

- A relative change in the brightness of light.

How many stops brighter is the new planet if there are two suns instead of one?

- The Earth would be one stop brighter with two suns instead of one

How many stops brighter is the new planet is there are four suns instead of two?

- The Earth would be two stops brighter with four stops instead of two.

What affect does a longer shutter speed have?

- The longer the shutter speed, the more light.

What affect does a shorter shutter speed have?

- The shorter the shutter speed, the less light.

What does a aperture control?

- The aperture is like a pupil, you can control the aperture by setting the "Aperture Opening", also known as an F-Stop.

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

- Going to larger openings.