| A | B |
|---|
| Barn Doors | Metal flaps attached to the front of spotlights to control the edges of the light beam |
| Camera Light | A small light attached to a camera |
| Color Temperature Meter | A light meter which measures the relative blueness or redness of a "white" light |
| Contrast | The difference between the lightest and darkest parts of an image |
| Cookie | A sheet cut into a pattern, placed in a beam of light to create a distinctive shadow |
| Flag | A piece of metal, wood or foam-core to mask off part of a light beam |
| Incident Meter | A light meter that measures the illumination from a light |
| Lamp | The actual bulb in a lighting instrument |
| Practical | A lighting instrument that is included in a shot |
| Reflective Meter | A light meter that measures the illumination as it bounces off the subject |
| Reflector | A silver, white or colored surface used to bounce light onto a subject |
| Screen | A mesh material that reduces light without markedly changing its character |
| Silk | A fabric that reduces light intensity and diffuses the light |
