| A | B |
| camera obscura | darkened chamber |
| aperture | opening that allows light to enter the camera |
| lens | draws the light into the camera and focuses it on the film plane |
| shutter | controls the amount of time light enters the camera |
| view finder | the "window" you look through to frame the picture |
| SLR | single lens reflex |
| TLR | twin lens reflex |
| pinhole camera | type of camera that doesn't use a lens |
| film | sheet of plastic costed with light sensitive chemicals |
| ISO | the sensitivity of the film/ sensor to light |
| focal length | the distance between the lens and the film |