Lighting & Flash
5 terms
LED Panel
Lighting & Flash
lux at 1 m
A flat array of light-emitting diodes providing continuous, dimmable and often colour-adjustable illumination.
Light Falloff
Lighting & Flash
stops (EV)
The rate at which illumination decreases with distance from the source, across the subject or into the background.
E ∝ 1 / d²
Lighting Ratio
Lighting & Flash
ratio / stops
The relationship between the illumination on the lit side of a subject and that on the shadow side, expressed as a ratio or in stops.
Ratio = (key + fill) : fill
Loop Lighting
Lighting & Flash
A portrait pattern in which the nose casts a small loop-shaped shadow onto the cheek without touching the cheek shadow.
Low-key Lighting
Lighting & Flash
A lighting approach in which most tones sit in the lower half of the range, with a small lit area surrounded by darkness.