| S |
| SCANNER (SCANNING): : |
| Scanning is a method of digitizing photographs, negatives, slides/transparencies and drawings. The scanner reads the continuous tone image and turns it into pixels, which are individual dots that contain color and tonal information. This digitized image is then saved as a picture file that can be delivered to the computer by cable, floppy disk, and other removable storage media, or through email. |
| SHUTTER RELEASE: : |
| The camera button pressed to take a picture |
| SHUTTER SPEED: : |
| Time, usually in fractions of a second, that a camera shutter opens to allow light to expose an image. |
| SHUTTER: : |
| A device within the camera that controls the amount of light permitted to strike (expose) film.
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| SILICON PHOTODIODE (SPD): : |
| Battery-powered, light-sensing cell used in most current exposure meters and metering systems. |
| SINGLE LENS REFLEX (SLR): : |
| A camera type that uses the same lens for both viewing and taking pictures. The lens is often interchangeable, allowing for added optical versatility. |
