camera history and basic functions answers

1. in a dark room, a tiny hole is created in one wall, light is focused through the hole and the scene is projected upside down on the other wall.
2. optics and glass lenses were made in the 17th century.
3. he added a lens, a dark box and film to complete the camera
4. light passes through the camera and exposes the film
5. digital cameras use a CCD
6. portrait mode you just point and shoot
7. used to attempt to blur the background
8. to freeze / reduce motion
9. set both the shutter and the aperture
11. no flash, when you don't need it, like outside10. half press is used to focus before a pic is taken
12. used when you need the flash, it uses it when you snap a pic
13. it will wash out the photo
14. not enough light and the pic is too dark
15. represents a change in brightness of lights
16. 1 stop more
17. 2 stops more
18. more light
19. less light
20. reduces brightness
21. smaller f-stops number gives more light