Camera Parts
1. Explain the “camera obscura” effect. How is it achieved?
*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?
*Perfecting the understanding of optics and the process of making high quality glass lenses.
3. What were the first parts of the modern camera invented by Niepce?
*A lass, dark box and film.
4.What do modern digital cameras have in common with Niepce’s camera?
*Still composed of a lens, dark box and film
5. What do digital cameras use to capture an image?
*Light that passes through a lens
6. What is the difference between the Auto Mode and the Program mode?
*Auto Mode: control flash and exposure.
*Program Mode: point and shoot. You can control flash and a few other 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.
8. What is the Sports mode used for? (not just sports) How does it work?
*Freeze motion. Camera will use highest shutter speed.
9. Why should you do a half press on the trigger button?
*Faster camera response time, more control over focus and encourages better composition.
10. What does this symbol mean?
*That the flash is disabled.
11. What does this symbol mean?
*The camera will fire the flash if it thinks it needs more light.
12. What happens to your photo if there is too much light?
*Picture will be washed out.
13. What happens to your photo if there is not enough light?
*Picture will be too dark.
14. What is a “stop.”
*Represent a relative change in the brightness of light.
15. How many stops brighter is the new planet if there are two suns instead of one?
*One
16. How many stops brighter is the new planet if there are four sons instead of two?
*Two
17. What affect does a longer shutter speed of have?
*More light
18. What affect does a shorter shutter speed have?
*Less light
19. What does the aperture control?
*Openings
20. When adjusting the aperture, how can you increase the amount of light?
*Larger openings