Digital Photography Glossary
Photography Glossary - K
Understand the terminology of digital photography, digital printing and digital imaging so that you will become a better photographer. Photographic terms such as Kelvin, Key Light, Kilowatt, Kilobyte, and more.
In photographic terminology, Kelvin refers to the color temperature of light; i.e. a low temperature (say 3200 K degrees) is warm, reddish-orange light, whereas a high temperature (say 5600 K degrees) is a cool, bluish light.
Key Light (studio light)
The Key Light is the main and most important light that a photographer uses when setting lights in a studio. It's typically the strongest and brightest light source. Key light is used to illuminate the key element that the photographer wants to photograph.
Kilowatt stands for 1,000 watts, and is a measurement standard for the amount of power a light bulb uses. A kilowatt is commonly used to electromagnetic power output and measure how much power is consumed by an electronic device in an hour.
Kilobyte is a data storage value. A kilobyte consists of 1000 bytes. A byte is a digital (0 or 1) value that constitutes a specific form of information. Is the most common data storage value in the digital medium, as most photographs fall within this range.