| A | B |
| viewing mechanisim | a small hole in the camara |
| lens | piece of transparent materials |
| shutter | pice of material that opens and closes over the lens |
| focal length | distance between the center of the lens and the film |
| grain | a patter in the silver crystals that are in photos |
| contrast | the amount of difference between the light and dark areas |
| filmspeed | how fast the film takes a picture |
| emulsion | layer contains tiny light sesitive silver halide chemicals in the black and white film |
| filter | screen out certian wave lengths of light area which the camera sees |
| fixer | makes the permenant and removes any unexposed silvery crystals |
| panchromatic film | sensitive to nearly all visable light, espically blue light |
| single lens reflex camara | easily carried camara, capable of good phots |
| stop bath | halts devolping process by neutralizing the developer |
| developer | causes silver in film to turn black |
| enlarger | used to blow up negatives |
| telephoto lens | makes far way objects seem near |
| wide angle lens | wide field of view |
| appeture | the ring is rotated to change the size of the aperture (lens opening) and control the amount of light entering the camera |
| focus ring | rotated back and forth to focus on the subjectring idicate how much of the subject will be in focus |