"The Camera" Questions.

"The Camera"
1. Explain the "camera obscura" effect. How is it acheived?
The "camera obscura" also known as "dark room" is when you use a hole as a lens. You achieve this by 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 invention that helped man get a step closer to creating the modern camera was perfecting 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 parts of the first modern camera were a glass lens, a dark box, and film.
4. What do modern digital cameras have in common with Niepce's camera? Lens.
5. What do digital cameras use to capture images? Light passes through the lens, into the camera, and exposes the film. And guess what? The end result is still a photograph.
"Camera Modes"
6. What is the difference between Auto Mode and Program Mode? Auto Mode will do most everything for you to get a good picture. While Program Mode you can control flash, and a few other camera settings. 
7. What is the Portrait mode used for? How does it work? Used to blur out the background. The camera uses the fastest lens setting.
8. What is the Sports mode used for? How does it work? Used to freeze motion. The camera uses the highest shutter speed possible.
"The Half Press"
9. Why should you do a half press on the trigger button? It tells the camera that your ready to take a picture, so it focuses on the subject and focus locks.
"Controlling Flash"
10. What does this symbol mean? When would you use this? This symbol means that there will be no flash. You would use this when the natural light is present. 
11. What does this symbol mean? When would you use this? This symbol means Auto-Flash and it will automatically come on when the camera thinks more light is needed. 
"Introduction to Exposure."
12. What happens to your photo if there is too much light? Too much light in a photo will cause the photo to be washed out. 
13. What happens to your photo if there is not enough light? It will appear dark. 
"The Universal Stop" 
14. What is a "stop?" A stop is a relative change in the brightness of light. 
15. How many stops brighter is the new planet if there are 2 suns instead of one? 1.
16. How many stops brighter is the new planet if there are 4 suns instead of 2? 2.
"Shutters and Aperture"
17. What affect does a longer shutter speed have? More Light.
18. What affect does a shorter shutter speed have? Less Light.
19. What does the aperture control? The brightness is reduced as it passes through the aperture. 
20. When adjusting the aperture, how can you increase the amount of light? You can change the aperture settings.